21348103676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{414913}}^1$

素因数の和:415613

約数の個数: 24

約数和(自身を含む): 39383636880

約数和(自身を除く): 18035533204

約数列:

[1, 2, 4, 19, 38, 76, 677, 1354, 2708, 12863, 25726, 51452, 414913, 829826, 1659652, 7883347, 15766694, 31533388, 280896101, 561792202, 1123584404, 5337025919, 10674051838, 21348103676]

約数ペア:

[(1, 21348103676), (2, 10674051838), (4, 5337025919), (19, 1123584404), (38, 561792202), (76, 280896101), (677, 31533388), (1354, 15766694), (2708, 7883347), (12863, 1659652), (25726, 829826), (51452, 414913)]