21791062

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5261}}^1$

素因数の和:5391

約数の個数: 16

約数和(自身を含む): 34729200

約数和(自身を除く): 12938138

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 5261, 10522, 99959, 199918, 573449, 1146898, 10895531, 21791062]

約数ペア:

[(1, 21791062), (2, 10895531), (19, 1146898), (38, 573449), (109, 199918), (218, 99959), (2071, 10522), (4142, 5261)]