21617409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1877}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 31550400

約数和(自身を除く): 9932991

約数列:

[1, 3, 11, 33, 349, 1047, 1877, 3839, 5631, 11517, 20647, 61941, 655073, 1965219, 7205803, 21617409]

約数ペア:

[(1, 21617409), (3, 7205803), (11, 1965219), (33, 655073), (349, 61941), (1047, 20647), (1877, 11517), (3839, 5631)]