21884177

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{967}}^1$

素因数の和:1088

約数の個数: 16

約数和(自身を含む): 25926912

約数和(自身を除く): 4042735

約数列:

[1, 7, 53, 61, 371, 427, 967, 3233, 6769, 22631, 51251, 58987, 358757, 412909, 3126311, 21884177]

約数ペア:

[(1, 21884177), (7, 3126311), (53, 412909), (61, 358757), (371, 58987), (427, 51251), (967, 22631), (3233, 6769)]