21237057

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 31930080

約数和(自身を除く): 10693023

約数列:

[1, 3, 9, 41, 67, 123, 201, 369, 603, 859, 2577, 2747, 7731, 8241, 24723, 35219, 57553, 105657, 172659, 316971, 517977, 2359673, 7079019, 21237057]

約数ペア:

[(1, 21237057), (3, 7079019), (9, 2359673), (41, 517977), (67, 316971), (123, 172659), (201, 105657), (369, 57553), (603, 35219), (859, 24723), (2577, 8241), (2747, 7731)]