21758906590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{114520561}}^1$

素因数の和:114520587

約数の個数: 16

約数和(自身を含む): 41227402320

約数和(自身を除く): 19468495730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 114520561, 229041122, 572602805, 1145205610, 2175890659, 4351781318, 10879453295, 21758906590]

約数ペア:

[(1, 21758906590), (2, 10879453295), (5, 4351781318), (10, 2175890659), (19, 1145205610), (38, 572602805), (95, 229041122), (190, 114520561)]