21509968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{58451}}^1$

素因数の和:58482

約数の個数: 20

約数和(自身を含む): 43488288

約数和(自身を除く): 21978320

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 58451, 116902, 233804, 467608, 935216, 1344373, 2688746, 5377492, 10754984, 21509968]

約数ペア:

[(1, 21509968), (2, 10754984), (4, 5377492), (8, 2688746), (16, 1344373), (23, 935216), (46, 467608), (92, 233804), (184, 116902), (368, 58451)]