21035768

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15559}}^1$

素因数の和:15591

約数の個数: 24

約数和(自身を含む): 42712200

約数和(自身を除く): 21676432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15559, 31118, 62236, 124472, 202267, 404534, 809068, 1618136, 2629471, 5258942, 10517884, 21035768]

約数ペア:

[(1, 21035768), (2, 10517884), (4, 5258942), (8, 2629471), (13, 1618136), (26, 809068), (52, 404534), (104, 202267), (169, 124472), (338, 62236), (676, 31118), (1352, 15559)]