21726070

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{8017}}^1$

素因数の和:8295

約数の個数: 16

約数和(自身を含む): 39256128

約数和(自身を除く): 17530058

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 8017, 16034, 40085, 80170, 2172607, 4345214, 10863035, 21726070]

約数ペア:

[(1, 21726070), (2, 10863035), (5, 4345214), (10, 2172607), (271, 80170), (542, 40085), (1355, 16034), (2710, 8017)]