21206095

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1962

約数の個数: 16

約数和(自身を含む): 26544672

約数和(自身を除く): 5338577

約数列:

[1, 5, 43, 53, 215, 265, 1861, 2279, 9305, 11395, 80023, 98633, 400115, 493165, 4241219, 21206095]

約数ペア:

[(1, 21206095), (5, 4241219), (43, 493165), (53, 400115), (215, 98633), (265, 80023), (1861, 11395), (2279, 9305)]