21866864

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{19249}}^1$

素因数の和:19328

約数の個数: 20

約数和(自身を含む): 42966000

約数和(自身を除く): 21099136

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 19249, 38498, 76996, 153992, 307984, 1366679, 2733358, 5466716, 10933432, 21866864]

約数ペア:

[(1, 21866864), (2, 10933432), (4, 5466716), (8, 2733358), (16, 1366679), (71, 307984), (142, 153992), (284, 76996), (568, 38498), (1136, 19249)]