21182850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 67495680

約数和(自身を除く): 46312830

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 25, 26, 27, 30, 34, 39, 45, 50, 51, 54, 65, 71, 75, 78, 85, 90, 102, 117, 130, 135, 142, 150, 153, 170, 195, 213, 221, 225, 234, 255, 270, 306, 325, 351, 355, 390, 425, 426, 442, 450, 459, 510, 585, 639, 650, 663, 675, 702, 710, 765, 850, 918, 923, 975, 1065, 1105, 1170, 1207, 1275, 1278, 1326, 1350, 1530, 1755, 1775, 1846, 1917, 1950, 1989, 2130, 2210, 2295, 2414, 2550, 2769, 2925, 3195, 3315, 3510, 3550, 3621, 3825, 3834, 3978, 4590, 4615, 5325, 5525, 5538, 5850, 5967, 6035, 6390, 6630, 7242, 7650, 8307, 8775, 9230, 9585, 9945, 10650, 10863, 11050, 11475, 11934, 12070, 13845, 15691, 15975, 16575, 16614, 17550, 18105, 19170, 19890, 21726, 22950, 23075, 24921, 27690, 29835, 30175, 31382, 31950, 32589, 33150, 36210, 41535, 46150, 47073, 47925, 49725, 49842, 54315, 59670, 60350, 65178, 69225, 78455, 83070, 90525, 94146, 95850, 99450, 108630, 124605, 138450, 141219, 149175, 156910, 162945, 181050, 207675, 235365, 249210, 271575, 282438, 298350, 325890, 392275, 415350, 423657, 470730, 543150, 623025, 706095, 784550, 814725, 847314, 1176825, 1246050, 1412190, 1629450, 2118285, 2353650, 3530475, 4236570, 7060950, 10591425, 21182850]

約数ペア:

[(1, 21182850), (2, 10591425), (3, 7060950), (5, 4236570), (6, 3530475), (9, 2353650), (10, 2118285), (13, 1629450), (15, 1412190), (17, 1246050), (18, 1176825), (25, 847314), (26, 814725), (27, 784550), (30, 706095), (34, 623025), (39, 543150), (45, 470730), (50, 423657), (51, 415350), (54, 392275), (65, 325890), (71, 298350), (75, 282438), (78, 271575), (85, 249210), (90, 235365), (102, 207675), (117, 181050), (130, 162945), (135, 156910), (142, 149175), (150, 141219), (153, 138450), (170, 124605), (195, 108630), (213, 99450), (221, 95850), (225, 94146), (234, 90525), (255, 83070), (270, 78455), (306, 69225), (325, 65178), (351, 60350), (355, 59670), (390, 54315), (425, 49842), (426, 49725), (442, 47925), (450, 47073), (459, 46150), (510, 41535), (585, 36210), (639, 33150), (650, 32589), (663, 31950), (675, 31382), (702, 30175), (710, 29835), (765, 27690), (850, 24921), (918, 23075), (923, 22950), (975, 21726), (1065, 19890), (1105, 19170), (1170, 18105), (1207, 17550), (1275, 16614), (1278, 16575), (1326, 15975), (1350, 15691), (1530, 13845), (1755, 12070), (1775, 11934), (1846, 11475), (1917, 11050), (1950, 10863), (1989, 10650), (2130, 9945), (2210, 9585), (2295, 9230), (2414, 8775), (2550, 8307), (2769, 7650), (2925, 7242), (3195, 6630), (3315, 6390), (3510, 6035), (3550, 5967), (3621, 5850), (3825, 5538), (3834, 5525), (3978, 5325), (4590, 4615)]