21975291208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3986809}}^1$

素因数の和:3986881

約数の個数: 32

約数和(自身を含む): 45210425400

約数和(自身を除く): 23235134192

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 3986809, 7973618, 15947236, 31894472, 51828517, 103657034, 207314068, 211300877, 414628136, 422601754, 845203508, 1690407016, 2746911401, 5493822802, 10987645604, 21975291208]

約数ペア:

[(1, 21975291208), (2, 10987645604), (4, 5493822802), (8, 2746911401), (13, 1690407016), (26, 845203508), (52, 422601754), (53, 414628136), (104, 211300877), (106, 207314068), (212, 103657034), (424, 51828517), (689, 31894472), (1378, 15947236), (2756, 7973618), (5512, 3986809)]