21491400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 288

約数和(自身を含む): 83967840

約数和(自身を除く): 62476440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 25, 28, 30, 34, 35, 40, 42, 43, 49, 50, 51, 56, 60, 68, 70, 75, 84, 85, 86, 98, 100, 102, 105, 119, 120, 129, 136, 140, 147, 150, 168, 170, 172, 175, 196, 200, 204, 210, 215, 238, 245, 255, 258, 280, 294, 300, 301, 340, 344, 350, 357, 392, 408, 420, 425, 430, 476, 490, 510, 516, 525, 588, 595, 600, 602, 645, 680, 700, 714, 731, 735, 833, 840, 850, 860, 903, 952, 980, 1020, 1032, 1050, 1075, 1176, 1190, 1204, 1225, 1275, 1290, 1400, 1428, 1462, 1470, 1505, 1666, 1700, 1720, 1785, 1806, 1960, 2040, 2100, 2107, 2150, 2193, 2380, 2408, 2450, 2499, 2550, 2580, 2856, 2924, 2940, 2975, 3010, 3225, 3332, 3400, 3570, 3612, 3655, 3675, 4165, 4200, 4214, 4300, 4386, 4515, 4760, 4900, 4998, 5100, 5117, 5160, 5848, 5880, 5950, 6020, 6321, 6450, 6664, 7140, 7224, 7310, 7350, 7525, 8330, 8428, 8600, 8772, 8925, 9030, 9800, 9996, 10200, 10234, 10535, 10965, 11900, 12040, 12495, 12642, 12900, 14280, 14620, 14700, 15050, 15351, 16660, 16856, 17544, 17850, 18060, 18275, 19992, 20468, 20825, 21070, 21930, 22575, 23800, 24990, 25284, 25585, 25800, 29240, 29400, 30100, 30702, 31605, 33320, 35700, 35819, 36120, 36550, 40936, 41650, 42140, 43860, 45150, 49980, 50568, 51170, 52675, 54825, 60200, 61404, 62475, 63210, 71400, 71638, 73100, 76755, 83300, 84280, 87720, 90300, 99960, 102340, 105350, 107457, 109650, 122808, 124950, 126420, 127925, 143276, 146200, 153510, 158025, 166600, 179095, 180600, 204680, 210700, 214914, 219300, 249900, 252840, 255850, 286552, 307020, 316050, 358190, 383775, 421400, 429828, 438600, 499800, 511700, 537285, 614040, 632100, 716380, 767550, 859656, 895475, 1023400, 1074570, 1264200, 1432760, 1535100, 1790950, 2149140, 2686425, 3070200, 3581900, 4298280, 5372850, 7163800, 10745700, 21491400]

約数ペア:

[(1, 21491400), (2, 10745700), (3, 7163800), (4, 5372850), (5, 4298280), (6, 3581900), (7, 3070200), (8, 2686425), (10, 2149140), (12, 1790950), (14, 1535100), (15, 1432760), (17, 1264200), (20, 1074570), (21, 1023400), (24, 895475), (25, 859656), (28, 767550), (30, 716380), (34, 632100), (35, 614040), (40, 537285), (42, 511700), (43, 499800), (49, 438600), (50, 429828), (51, 421400), (56, 383775), (60, 358190), (68, 316050), (70, 307020), (75, 286552), (84, 255850), (85, 252840), (86, 249900), (98, 219300), (100, 214914), (102, 210700), (105, 204680), (119, 180600), (120, 179095), (129, 166600), (136, 158025), (140, 153510), (147, 146200), (150, 143276), (168, 127925), (170, 126420), (172, 124950), (175, 122808), (196, 109650), (200, 107457), (204, 105350), (210, 102340), (215, 99960), (238, 90300), (245, 87720), (255, 84280), (258, 83300), (280, 76755), (294, 73100), (300, 71638), (301, 71400), (340, 63210), (344, 62475), (350, 61404), (357, 60200), (392, 54825), (408, 52675), (420, 51170), (425, 50568), (430, 49980), (476, 45150), (490, 43860), (510, 42140), (516, 41650), (525, 40936), (588, 36550), (595, 36120), (600, 35819), (602, 35700), (645, 33320), (680, 31605), (700, 30702), (714, 30100), (731, 29400), (735, 29240), (833, 25800), (840, 25585), (850, 25284), (860, 24990), (903, 23800), (952, 22575), (980, 21930), (1020, 21070), (1032, 20825), (1050, 20468), (1075, 19992), (1176, 18275), (1190, 18060), (1204, 17850), (1225, 17544), (1275, 16856), (1290, 16660), (1400, 15351), (1428, 15050), (1462, 14700), (1470, 14620), (1505, 14280), (1666, 12900), (1700, 12642), (1720, 12495), (1785, 12040), (1806, 11900), (1960, 10965), (2040, 10535), (2100, 10234), (2107, 10200), (2150, 9996), (2193, 9800), (2380, 9030), (2408, 8925), (2450, 8772), (2499, 8600), (2550, 8428), (2580, 8330), (2856, 7525), (2924, 7350), (2940, 7310), (2975, 7224), (3010, 7140), (3225, 6664), (3332, 6450), (3400, 6321), (3570, 6020), (3612, 5950), (3655, 5880), (3675, 5848), (4165, 5160), (4200, 5117), (4214, 5100), (4300, 4998), (4386, 4900), (4515, 4760)]