21496578075

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{277}}^1\times {\mathrm{7039}}^1$

素因数の和:7346

約数の個数: 108

約数和(自身を含む): 44957003520

約数和(自身を除く): 23460425445

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 277, 315, 441, 525, 735, 831, 1225, 1385, 1575, 1939, 2205, 2493, 3675, 4155, 5817, 6925, 7039, 9695, 11025, 12465, 13573, 17451, 20775, 21117, 29085, 35195, 40719, 48475, 49273, 62325, 63351, 67865, 87255, 105585, 122157, 145425, 147819, 175975, 203595, 246365, 316755, 339325, 344911, 436275, 443457, 527925, 610785, 739095, 1017975, 1034733, 1231825, 1583775, 1724555, 1949803, 2217285, 3053925, 3104199, 3695475, 5173665, 5849409, 8622775, 9749015, 11086425, 13648621, 15520995, 17548227, 25868325, 29247045, 40945863, 48745075, 68243105, 77604975, 87741135, 95540347, 122837589, 146235225, 204729315, 286621041, 341215525, 438705675, 477701735, 614187945, 859863123, 1023646575, 1433105205, 2388508675, 3070939725, 4299315615, 7165526025, 21496578075]

約数ペア:

[(1, 21496578075), (3, 7165526025), (5, 4299315615), (7, 3070939725), (9, 2388508675), (15, 1433105205), (21, 1023646575), (25, 859863123), (35, 614187945), (45, 477701735), (49, 438705675), (63, 341215525), (75, 286621041), (105, 204729315), (147, 146235225), (175, 122837589), (225, 95540347), (245, 87741135), (277, 77604975), (315, 68243105), (441, 48745075), (525, 40945863), (735, 29247045), (831, 25868325), (1225, 17548227), (1385, 15520995), (1575, 13648621), (1939, 11086425), (2205, 9749015), (2493, 8622775), (3675, 5849409), (4155, 5173665), (5817, 3695475), (6925, 3104199), (7039, 3053925), (9695, 2217285), (11025, 1949803), (12465, 1724555), (13573, 1583775), (17451, 1231825), (20775, 1034733), (21117, 1017975), (29085, 739095), (35195, 610785), (40719, 527925), (48475, 443457), (49273, 436275), (62325, 344911), (63351, 339325), (67865, 316755), (87255, 246365), (105585, 203595), (122157, 175975), (145425, 147819)]