21544209

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 31839912

約数和(自身を除く): 10295703

約数列:

[1, 3, 9, 101, 137, 173, 303, 411, 519, 909, 1233, 1557, 13837, 17473, 23701, 41511, 52419, 71103, 124533, 157257, 213309, 2393801, 7181403, 21544209]

約数ペア:

[(1, 21544209), (3, 7181403), (9, 2393801), (101, 213309), (137, 157257), (173, 124533), (303, 71103), (411, 52419), (519, 41511), (909, 23701), (1233, 17473), (1557, 13837)]