21511350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6829}}^1$

素因数の和:6854

約数の個数: 72

約数和(自身を含む): 66059760

約数和(自身を除く): 44548410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6829, 13658, 20487, 34145, 40974, 47803, 61461, 68290, 95606, 102435, 122922, 143409, 170725, 204870, 239015, 286818, 307305, 341450, 430227, 478030, 512175, 614610, 717045, 860454, 1024350, 1195075, 1434090, 1536525, 2151135, 2390150, 3073050, 3585225, 4302270, 7170450, 10755675, 21511350]

約数ペア:

[(1, 21511350), (2, 10755675), (3, 7170450), (5, 4302270), (6, 3585225), (7, 3073050), (9, 2390150), (10, 2151135), (14, 1536525), (15, 1434090), (18, 1195075), (21, 1024350), (25, 860454), (30, 717045), (35, 614610), (42, 512175), (45, 478030), (50, 430227), (63, 341450), (70, 307305), (75, 286818), (90, 239015), (105, 204870), (126, 170725), (150, 143409), (175, 122922), (210, 102435), (225, 95606), (315, 68290), (350, 61461), (450, 47803), (525, 40974), (630, 34145), (1050, 20487), (1575, 13658), (3150, 6829)]