21417848

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{33889}}^1$

素因数の和:33974

約数の個数: 16

約数和(自身を含む): 40668000

約数和(自身を除く): 19250152

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 33889, 67778, 135556, 271112, 2677231, 5354462, 10708924, 21417848]

約数ペア:

[(1, 21417848), (2, 10708924), (4, 5354462), (8, 2677231), (79, 271112), (158, 135556), (316, 67778), (632, 33889)]