21282964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2887}}^1$

素因数の和:3007

約数の個数: 24

約数和(自身を含む): 39623360

約数和(自身を除く): 18340396

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2887, 3686, 5774, 7372, 11548, 54853, 109706, 219412, 280039, 560078, 1120156, 5320741, 10641482, 21282964]

約数ペア:

[(1, 21282964), (2, 10641482), (4, 5320741), (19, 1120156), (38, 560078), (76, 280039), (97, 219412), (194, 109706), (388, 54853), (1843, 11548), (2887, 7372), (3686, 5774)]