21254166

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22279}}^1$

素因数の和:22340

約数の個数: 24

約数和(自身を含む): 46921680

約数和(自身を除く): 25667514

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22279, 44558, 66837, 133674, 200511, 401022, 1180787, 2361574, 3542361, 7084722, 10627083, 21254166]

約数ペア:

[(1, 21254166), (2, 10627083), (3, 7084722), (6, 3542361), (9, 2361574), (18, 1180787), (53, 401022), (106, 200511), (159, 133674), (318, 66837), (477, 44558), (954, 22279)]