21987270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{244303}}^1$

素因数の和:244316

約数の個数: 24

約数和(自身を含む): 57167136

約数和(自身を除く): 35179866

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 244303, 488606, 732909, 1221515, 1465818, 2198727, 2443030, 3664545, 4397454, 7329090, 10993635, 21987270]

約数ペア:

[(1, 21987270), (2, 10993635), (3, 7329090), (5, 4397454), (6, 3664545), (9, 2443030), (10, 2198727), (15, 1465818), (18, 1221515), (30, 732909), (45, 488606), (90, 244303)]