21026511

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1303}}^1$

素因数の和:1483

約数の個数: 24

約数和(自身を含む): 33361536

約数和(自身を除く): 12335025

約数列:

[1, 3, 9, 11, 33, 99, 163, 489, 1303, 1467, 1793, 3909, 5379, 11727, 14333, 16137, 42999, 128997, 212389, 637167, 1911501, 2336279, 7008837, 21026511]

約数ペア:

[(1, 21026511), (3, 7008837), (9, 2336279), (11, 1911501), (33, 637167), (99, 212389), (163, 128997), (489, 42999), (1303, 16137), (1467, 14333), (1793, 11727), (3909, 5379)]