21031772170

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2081}}^1\times {\mathrm{19069}}^1$

素因数の和:21210

約数の個数: 32

約数和(自身を含む): 38592035280

約数和(自身を除く): 17560263110

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 2081, 4162, 10405, 19069, 20810, 38138, 95345, 110293, 190690, 220586, 551465, 1010657, 1102930, 2021314, 5053285, 10106570, 39682589, 79365178, 198412945, 396825890, 2103177217, 4206354434, 10515886085, 21031772170]

約数ペア:

[(1, 21031772170), (2, 10515886085), (5, 4206354434), (10, 2103177217), (53, 396825890), (106, 198412945), (265, 79365178), (530, 39682589), (2081, 10106570), (4162, 5053285), (10405, 2021314), (19069, 1102930), (20810, 1010657), (38138, 551465), (95345, 220586), (110293, 190690)]