21439642

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52807}}^1$

素因数の和:52845

約数の個数: 16

約数和(自身を含む): 38021760

約数和(自身を除く): 16582118

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 52807, 105614, 369649, 739298, 1531403, 3062806, 10719821, 21439642]

約数ペア:

[(1, 21439642), (2, 10719821), (7, 3062806), (14, 1531403), (29, 739298), (58, 369649), (203, 105614), (406, 52807)]