21856232

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{143791}}^1$

素因数の和:143816

約数の個数: 16

約数和(自身を含む): 43137600

約数和(自身を除く): 21281368

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 143791, 287582, 575164, 1150328, 2732029, 5464058, 10928116, 21856232]

約数ペア:

[(1, 21856232), (2, 10928116), (4, 5464058), (8, 2732029), (19, 1150328), (38, 575164), (76, 287582), (152, 143791)]