21122132390

素因数分解:

$2^1\times 5^1\times {\mathrm{13367}}^1\times {\mathrm{158017}}^1$

素因数の和:171391

約数の個数: 16

約数和(自身を含む): 38022923232

約数和(自身を除く): 16900790842

約数列:

[1, 2, 5, 10, 13367, 26734, 66835, 133670, 158017, 316034, 790085, 1580170, 2112213239, 4224426478, 10561066195, 21122132390]

約数ペア:

[(1, 21122132390), (2, 10561066195), (5, 4224426478), (10, 2112213239), (13367, 1580170), (26734, 790085), (66835, 316034), (133670, 158017)]