21904980968

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{16201909}}^1$

素因数の和:16201941

約数の個数: 24

約数和(自身を含む): 44474242950

約数和(自身を除く): 22569261982

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 16201909, 32403818, 64807636, 129615272, 210624817, 421249634, 842499268, 1684998536, 2738122621, 5476245242, 10952490484, 21904980968]

約数ペア:

[(1, 21904980968), (2, 10952490484), (4, 5476245242), (8, 2738122621), (13, 1684998536), (26, 842499268), (52, 421249634), (104, 210624817), (169, 129615272), (338, 64807636), (676, 32403818), (1352, 16201909)]