21250871969

素因数分解:

${\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1319}}^1\times {\mathrm{3739}}^1$

素因数の和:5228

約数の個数: 16

約数和(自身を含む): 22116864000

約数和(自身を除く): 865992031

約数列:

[1, 31, 139, 1319, 3739, 4309, 40889, 115909, 183341, 519721, 4931741, 5683571, 16111351, 152883971, 685511999, 21250871969]

約数ペア:

[(1, 21250871969), (31, 685511999), (139, 152883971), (1319, 16111351), (3739, 5683571), (4309, 4931741), (40889, 519721), (115909, 183341)]