21818511

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5651}}^1$

素因数の和:5684

約数の個数: 32

約数和(自身を含む): 37981440

約数和(自身を除く): 16162929

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5651, 16953, 50859, 62161, 73463, 152577, 186483, 220389, 559449, 661167, 808093, 1678347, 1983501, 2424279, 7272837, 21818511]

約数ペア:

[(1, 21818511), (3, 7272837), (9, 2424279), (11, 1983501), (13, 1678347), (27, 808093), (33, 661167), (39, 559449), (99, 220389), (117, 186483), (143, 152577), (297, 73463), (351, 62161), (429, 50859), (1287, 16953), (3861, 5651)]