21798255

素因数分解:

$3^1\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1301}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 34935264

約数和(自身を除く): 13137009

約数列:

[1, 3, 5, 15, 1117, 1301, 3351, 3903, 5585, 6505, 16755, 19515, 1453217, 4359651, 7266085, 21798255]

約数ペア:

[(1, 21798255), (3, 7266085), (5, 4359651), (15, 1453217), (1117, 19515), (1301, 16755), (3351, 6505), (3903, 5585)]