21867097

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 25748352

約数和(自身を除く): 3881255

約数列:

[1, 7, 61, 83, 427, 581, 617, 4319, 5063, 35441, 37637, 51211, 263459, 358477, 3123871, 21867097]

約数ペア:

[(1, 21867097), (7, 3123871), (61, 358477), (83, 263459), (427, 51211), (581, 37637), (617, 35441), (4319, 5063)]