21226800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^2\times {\mathrm{19}}^2$

素因数の和:73

約数の個数: 270

約数和(自身を含む): 83480148

約数和(自身を除く): 62253348

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 48, 49, 50, 56, 57, 60, 70, 75, 76, 80, 84, 95, 98, 100, 105, 112, 114, 120, 133, 140, 147, 150, 152, 168, 175, 190, 196, 200, 210, 228, 240, 245, 266, 280, 285, 294, 300, 304, 336, 350, 361, 380, 392, 399, 400, 420, 456, 475, 490, 525, 532, 560, 570, 588, 600, 665, 700, 722, 735, 760, 784, 798, 840, 912, 931, 950, 980, 1050, 1064, 1083, 1140, 1176, 1200, 1225, 1330, 1400, 1425, 1444, 1470, 1520, 1596, 1680, 1805, 1862, 1900, 1960, 1995, 2100, 2128, 2166, 2280, 2352, 2450, 2527, 2660, 2793, 2800, 2850, 2888, 2940, 3192, 3325, 3610, 3675, 3724, 3800, 3920, 3990, 4200, 4332, 4560, 4655, 4900, 5054, 5320, 5415, 5586, 5700, 5776, 5880, 6384, 6650, 7220, 7350, 7448, 7581, 7600, 7980, 8400, 8664, 9025, 9310, 9800, 9975, 10108, 10640, 10830, 11172, 11400, 11760, 12635, 13300, 13965, 14440, 14700, 14896, 15162, 15960, 17328, 17689, 18050, 18620, 19600, 19950, 20216, 21660, 22344, 22800, 23275, 25270, 26600, 27075, 27930, 28880, 29400, 30324, 31920, 35378, 36100, 37240, 37905, 39900, 40432, 43320, 44688, 46550, 50540, 53067, 53200, 54150, 55860, 58800, 60648, 63175, 69825, 70756, 72200, 74480, 75810, 79800, 86640, 88445, 93100, 101080, 106134, 108300, 111720, 121296, 126350, 139650, 141512, 144400, 151620, 159600, 176890, 186200, 189525, 202160, 212268, 216600, 223440, 252700, 265335, 279300, 283024, 303240, 353780, 372400, 379050, 424536, 433200, 442225, 505400, 530670, 558600, 606480, 707560, 758100, 849072, 884450, 1010800, 1061340, 1117200, 1326675, 1415120, 1516200, 1768900, 2122680, 2653350, 3032400, 3537800, 4245360, 5306700, 7075600, 10613400, 21226800]

約数ペア:

[(1, 21226800), (2, 10613400), (3, 7075600), (4, 5306700), (5, 4245360), (6, 3537800), (7, 3032400), (8, 2653350), (10, 2122680), (12, 1768900), (14, 1516200), (15, 1415120), (16, 1326675), (19, 1117200), (20, 1061340), (21, 1010800), (24, 884450), (25, 849072), (28, 758100), (30, 707560), (35, 606480), (38, 558600), (40, 530670), (42, 505400), (48, 442225), (49, 433200), (50, 424536), (56, 379050), (57, 372400), (60, 353780), (70, 303240), (75, 283024), (76, 279300), (80, 265335), (84, 252700), (95, 223440), (98, 216600), (100, 212268), (105, 202160), (112, 189525), (114, 186200), (120, 176890), (133, 159600), (140, 151620), (147, 144400), (150, 141512), (152, 139650), (168, 126350), (175, 121296), (190, 111720), (196, 108300), (200, 106134), (210, 101080), (228, 93100), (240, 88445), (245, 86640), (266, 79800), (280, 75810), (285, 74480), (294, 72200), (300, 70756), (304, 69825), (336, 63175), (350, 60648), (361, 58800), (380, 55860), (392, 54150), (399, 53200), (400, 53067), (420, 50540), (456, 46550), (475, 44688), (490, 43320), (525, 40432), (532, 39900), (560, 37905), (570, 37240), (588, 36100), (600, 35378), (665, 31920), (700, 30324), (722, 29400), (735, 28880), (760, 27930), (784, 27075), (798, 26600), (840, 25270), (912, 23275), (931, 22800), (950, 22344), (980, 21660), (1050, 20216), (1064, 19950), (1083, 19600), (1140, 18620), (1176, 18050), (1200, 17689), (1225, 17328), (1330, 15960), (1400, 15162), (1425, 14896), (1444, 14700), (1470, 14440), (1520, 13965), (1596, 13300), (1680, 12635), (1805, 11760), (1862, 11400), (1900, 11172), (1960, 10830), (1995, 10640), (2100, 10108), (2128, 9975), (2166, 9800), (2280, 9310), (2352, 9025), (2450, 8664), (2527, 8400), (2660, 7980), (2793, 7600), (2800, 7581), (2850, 7448), (2888, 7350), (2940, 7220), (3192, 6650), (3325, 6384), (3610, 5880), (3675, 5776), (3724, 5700), (3800, 5586), (3920, 5415), (3990, 5320), (4200, 5054), (4332, 4900), (4560, 4655)]