21451352065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30001891}}^1$

素因数の和:30001920

約数の個数: 16

約数和(自身を含む): 30241907136

約数和(自身を除く): 8790555071

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 30001891, 150009455, 330020801, 390024583, 1650104005, 1950122915, 4290270413, 21451352065]

約数ペア:

[(1, 21451352065), (5, 4290270413), (11, 1950122915), (13, 1650104005), (55, 390024583), (65, 330020801), (143, 150009455), (715, 30001891)]