21137535720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{63067}}^1$

素因数の和:63117

約数の個数: 288

約数和(自身を含む): 84120098400

約数和(自身を除く): 62982562680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 49, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 98, 105, 114, 120, 126, 133, 140, 147, 152, 168, 171, 180, 190, 196, 210, 228, 245, 252, 266, 280, 285, 294, 315, 342, 360, 380, 392, 399, 420, 441, 456, 490, 504, 532, 570, 588, 630, 665, 684, 735, 760, 798, 840, 855, 882, 931, 980, 1064, 1140, 1176, 1197, 1260, 1330, 1368, 1470, 1596, 1710, 1764, 1862, 1960, 1995, 2205, 2280, 2394, 2520, 2660, 2793, 2940, 3192, 3420, 3528, 3724, 3990, 4410, 4655, 4788, 5320, 5586, 5880, 5985, 6840, 7448, 7980, 8379, 8820, 9310, 9576, 11172, 11970, 13965, 15960, 16758, 17640, 18620, 22344, 23940, 27930, 33516, 37240, 41895, 47880, 55860, 63067, 67032, 83790, 111720, 126134, 167580, 189201, 252268, 315335, 335160, 378402, 441469, 504536, 567603, 630670, 756804, 882938, 946005, 1135206, 1198273, 1261340, 1324407, 1513608, 1765876, 1892010, 2207345, 2270412, 2396546, 2522680, 2648814, 2838015, 3090283, 3531752, 3594819, 3784020, 3973221, 4414690, 4540824, 4793092, 5297628, 5676030, 5991365, 6180566, 6622035, 7189638, 7568040, 7946442, 8387911, 8829380, 9270849, 9586184, 10595256, 10784457, 11352060, 11982730, 12361132, 13244070, 14379276, 15451415, 15892884, 16775822, 17658760, 17974095, 18541698, 19866105, 21568914, 22704120, 23965460, 24722264, 25163733, 26488140, 27812547, 28758552, 30902830, 31785768, 33551644, 35948190, 37083396, 39732210, 41939555, 43137828, 46354245, 47930920, 50327466, 52976280, 53922285, 55625094, 58715377, 61805660, 67103288, 71896380, 74166792, 75491199, 79464420, 83879110, 86275656, 92708490, 100654932, 107844570, 111250188, 117430754, 123611320, 125818665, 139062735, 143792760, 150982398, 158928840, 167758220, 176146131, 185416980, 201309864, 215689140, 222500376, 234861508, 251637330, 278125470, 293576885, 301964796, 335516440, 352292262, 370833960, 377455995, 431378280, 469723016, 503274660, 528438393, 556250940, 587153770, 603929592, 704584524, 754911990, 880730655, 1006549320, 1056876786, 1112501880, 1174307540, 1409169048, 1509823980, 1761461310, 2113753572, 2348615080, 2642191965, 3019647960, 3522922620, 4227507144, 5284383930, 7045845240, 10568767860, 21137535720]

約数ペア:

[(1, 21137535720), (2, 10568767860), (3, 7045845240), (4, 5284383930), (5, 4227507144), (6, 3522922620), (7, 3019647960), (8, 2642191965), (9, 2348615080), (10, 2113753572), (12, 1761461310), (14, 1509823980), (15, 1409169048), (18, 1174307540), (19, 1112501880), (20, 1056876786), (21, 1006549320), (24, 880730655), (28, 754911990), (30, 704584524), (35, 603929592), (36, 587153770), (38, 556250940), (40, 528438393), (42, 503274660), (45, 469723016), (49, 431378280), (56, 377455995), (57, 370833960), (60, 352292262), (63, 335516440), (70, 301964796), (72, 293576885), (76, 278125470), (84, 251637330), (90, 234861508), (95, 222500376), (98, 215689140), (105, 201309864), (114, 185416980), (120, 176146131), (126, 167758220), (133, 158928840), (140, 150982398), (147, 143792760), (152, 139062735), (168, 125818665), (171, 123611320), (180, 117430754), (190, 111250188), (196, 107844570), (210, 100654932), (228, 92708490), (245, 86275656), (252, 83879110), (266, 79464420), (280, 75491199), (285, 74166792), (294, 71896380), (315, 67103288), (342, 61805660), (360, 58715377), (380, 55625094), (392, 53922285), (399, 52976280), (420, 50327466), (441, 47930920), (456, 46354245), (490, 43137828), (504, 41939555), (532, 39732210), (570, 37083396), (588, 35948190), (630, 33551644), (665, 31785768), (684, 30902830), (735, 28758552), (760, 27812547), (798, 26488140), (840, 25163733), (855, 24722264), (882, 23965460), (931, 22704120), (980, 21568914), (1064, 19866105), (1140, 18541698), (1176, 17974095), (1197, 17658760), (1260, 16775822), (1330, 15892884), (1368, 15451415), (1470, 14379276), (1596, 13244070), (1710, 12361132), (1764, 11982730), (1862, 11352060), (1960, 10784457), (1995, 10595256), (2205, 9586184), (2280, 9270849), (2394, 8829380), (2520, 8387911), (2660, 7946442), (2793, 7568040), (2940, 7189638), (3192, 6622035), (3420, 6180566), (3528, 5991365), (3724, 5676030), (3990, 5297628), (4410, 4793092), (4655, 4540824), (4788, 4414690), (5320, 3973221), (5586, 3784020), (5880, 3594819), (5985, 3531752), (6840, 3090283), (7448, 2838015), (7980, 2648814), (8379, 2522680), (8820, 2396546), (9310, 2270412), (9576, 2207345), (11172, 1892010), (11970, 1765876), (13965, 1513608), (15960, 1324407), (16758, 1261340), (17640, 1198273), (18620, 1135206), (22344, 946005), (23940, 882938), (27930, 756804), (33516, 630670), (37240, 567603), (41895, 504536), (47880, 441469), (55860, 378402), (63067, 335160), (67032, 315335), (83790, 252268), (111720, 189201), (126134, 167580)]