21150910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3259}}^1$

素因数の和:3336

約数の個数: 32

約数和(自身を含む): 42249600

約数和(自身を除く): 21098690

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3245, 3259, 6490, 6518, 16295, 32590, 35849, 71698, 179245, 192281, 358490, 384562, 961405, 1922810, 2115091, 4230182, 10575455, 21150910]

約数ペア:

[(1, 21150910), (2, 10575455), (5, 4230182), (10, 2115091), (11, 1922810), (22, 961405), (55, 384562), (59, 358490), (110, 192281), (118, 179245), (295, 71698), (590, 35849), (649, 32590), (1298, 16295), (3245, 6518), (3259, 6490)]