21964072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211193}}^1$

素因数の和:211212

約数の個数: 16

約数和(自身を含む): 44350740

約数和(自身を除く): 22386668

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211193, 422386, 844772, 1689544, 2745509, 5491018, 10982036, 21964072]

約数ペア:

[(1, 21964072), (2, 10982036), (4, 5491018), (8, 2745509), (13, 1689544), (26, 844772), (52, 422386), (104, 211193)]