21468095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3581}}^1$

素因数の和:3706

約数の個数: 16

約数和(自身を含む): 28369440

約数和(自身を除く): 6901345

約数列:

[1, 5, 11, 55, 109, 545, 1199, 3581, 5995, 17905, 39391, 196955, 390329, 1951645, 4293619, 21468095]

約数ペア:

[(1, 21468095), (5, 4293619), (11, 1951645), (55, 390329), (109, 196955), (545, 39391), (1199, 17905), (3581, 5995)]