21104908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5779}}^1$

素因数の和:5877

約数の個数: 24

約数和(自身を含む): 40783680

約数和(自身を除く): 19678772

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5779, 11558, 23116, 63569, 127138, 254276, 479657, 959314, 1918628, 5276227, 10552454, 21104908]

約数ペア:

[(1, 21104908), (2, 10552454), (4, 5276227), (11, 1918628), (22, 959314), (44, 479657), (83, 254276), (166, 127138), (332, 63569), (913, 23116), (1826, 11558), (3652, 5779)]