21229806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5791}}^1$

素因数の和:5856

約数の個数: 32

約数和(自身を含む): 46706688

約数和(自身を除く): 25476882

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 282, 611, 1222, 1833, 3666, 5791, 11582, 17373, 34746, 75283, 150566, 225849, 272177, 451698, 544354, 816531, 1633062, 3538301, 7076602, 10614903, 21229806]

約数ペア:

[(1, 21229806), (2, 10614903), (3, 7076602), (6, 3538301), (13, 1633062), (26, 816531), (39, 544354), (47, 451698), (78, 272177), (94, 225849), (141, 150566), (282, 75283), (611, 34746), (1222, 17373), (1833, 11582), (3666, 5791)]