21290916

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{77141}}^1$

素因数の和:77171

約数の個数: 24

約数和(自身を含む): 51839424

約数和(自身を除く): 30548508

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 77141, 154282, 231423, 308564, 462846, 925692, 1774243, 3548486, 5322729, 7096972, 10645458, 21290916]

約数ペア:

[(1, 21290916), (2, 10645458), (3, 7096972), (4, 5322729), (6, 3548486), (12, 1774243), (23, 925692), (46, 462846), (69, 308564), (92, 231423), (138, 154282), (276, 77141)]