21655954

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{3343}}^1$

素因数の和:3465

約数の個数: 16

約数和(自身を含む): 33707520

約数和(自身を除く): 12051566

約数列:

[1, 2, 41, 79, 82, 158, 3239, 3343, 6478, 6686, 137063, 264097, 274126, 528194, 10827977, 21655954]

約数ペア:

[(1, 21655954), (2, 10827977), (41, 528194), (79, 274126), (82, 264097), (158, 137063), (3239, 6686), (3343, 6478)]