21611335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3581}}^1$

素因数の和:3674

約数の個数: 16

約数和(自身を含む): 27853632

約数和(自身を除く): 6242297

約数列:

[1, 5, 17, 71, 85, 355, 1207, 3581, 6035, 17905, 60877, 254251, 304385, 1271255, 4322267, 21611335]

約数ペア:

[(1, 21611335), (5, 4322267), (17, 1271255), (71, 304385), (85, 254251), (355, 60877), (1207, 17905), (3581, 6035)]