21104008

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{36137}}^1$

素因数の和:36216

約数の個数: 16

約数和(自身を含む): 40113180

約数和(自身を除く): 19009172

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 36137, 72274, 144548, 289096, 2638001, 5276002, 10552004, 21104008]

約数ペア:

[(1, 21104008), (2, 10552004), (4, 5276002), (8, 2638001), (73, 289096), (146, 144548), (292, 72274), (584, 36137)]