21962715

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1741}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 36414768

約数和(自身を除く): 14452053

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 841, 1741, 2523, 4205, 5223, 8705, 12615, 26115, 50489, 151467, 252445, 757335, 1464181, 4392543, 7320905, 21962715]

約数ペア:

[(1, 21962715), (3, 7320905), (5, 4392543), (15, 1464181), (29, 757335), (87, 252445), (145, 151467), (435, 50489), (841, 26115), (1741, 12615), (2523, 8705), (4205, 5223)]