21350992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4463}}^1$

素因数の和:4507

約数の個数: 40

約数和(自身を含む): 46497024

約数和(自身を除く): 25146032

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4463, 4784, 8926, 17852, 35704, 58019, 71408, 102649, 116038, 205298, 232076, 410596, 464152, 821192, 928304, 1334437, 1642384, 2668874, 5337748, 10675496, 21350992]

約数ペア:

[(1, 21350992), (2, 10675496), (4, 5337748), (8, 2668874), (13, 1642384), (16, 1334437), (23, 928304), (26, 821192), (46, 464152), (52, 410596), (92, 232076), (104, 205298), (184, 116038), (208, 102649), (299, 71408), (368, 58019), (598, 35704), (1196, 17852), (2392, 8926), (4463, 4784)]