21172474

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1485

約数の個数: 16

約数和(自身を含む): 32497920

約数和(自身を除く): 11325446

約数列:

[1, 2, 79, 103, 158, 206, 1301, 2602, 8137, 16274, 102779, 134003, 205558, 268006, 10586237, 21172474]

約数ペア:

[(1, 21172474), (2, 10586237), (79, 268006), (103, 205558), (158, 134003), (206, 102779), (1301, 16274), (2602, 8137)]