21740509550

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{5238677}}^1$

素因数の和:5238772

約数の個数: 24

約数和(自身を含む): 40924552536

約数和(自身を除く): 19184042986

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 5238677, 10477354, 26193385, 52386770, 130966925, 261933850, 434810191, 869620382, 2174050955, 4348101910, 10870254775, 21740509550]

約数ペア:

[(1, 21740509550), (2, 10870254775), (5, 4348101910), (10, 2174050955), (25, 869620382), (50, 434810191), (83, 261933850), (166, 130966925), (415, 52386770), (830, 26193385), (2075, 10477354), (4150, 5238677)]