21949864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144407}}^1$

素因数の和:144432

約数の個数: 16

約数和(自身を含む): 43322400

約数和(自身を除く): 21372536

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144407, 288814, 577628, 1155256, 2743733, 5487466, 10974932, 21949864]

約数ペア:

[(1, 21949864), (2, 10974932), (4, 5487466), (8, 2743733), (19, 1155256), (38, 577628), (76, 288814), (152, 144407)]