21725068

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{811}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 39310544

約数和(自身を除く): 17585476

約数列:

[1, 2, 4, 37, 74, 148, 181, 362, 724, 811, 1622, 3244, 6697, 13394, 26788, 30007, 60014, 120028, 146791, 293582, 587164, 5431267, 10862534, 21725068]

約数ペア:

[(1, 21725068), (2, 10862534), (4, 5431267), (37, 587164), (74, 293582), (148, 146791), (181, 120028), (362, 60014), (724, 30007), (811, 26788), (1622, 13394), (3244, 6697)]