21000953430

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25927103}}^1$

素因数の和:25927122

約数の個数: 40

約数和(自身を含む): 56469232512

約数和(自身を除く): 35468279082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25927103, 51854206, 77781309, 129635515, 155562618, 233343927, 259271030, 388906545, 466687854, 700031781, 777813090, 1166719635, 1400063562, 2100095343, 2333439270, 3500158905, 4200190686, 7000317810, 10500476715, 21000953430]

約数ペア:

[(1, 21000953430), (2, 10500476715), (3, 7000317810), (5, 4200190686), (6, 3500158905), (9, 2333439270), (10, 2100095343), (15, 1400063562), (18, 1166719635), (27, 777813090), (30, 700031781), (45, 466687854), (54, 388906545), (81, 259271030), (90, 233343927), (135, 155562618), (162, 129635515), (270, 77781309), (405, 51854206), (810, 25927103)]