21531576

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81559}}^1$

素因数の和:81579

約数の個数: 32

約数和(自身を含む): 58723200

約数和(自身を除く): 37191624

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81559, 163118, 244677, 326236, 489354, 652472, 897149, 978708, 1794298, 1957416, 2691447, 3588596, 5382894, 7177192, 10765788, 21531576]

約数ペア:

[(1, 21531576), (2, 10765788), (3, 7177192), (4, 5382894), (6, 3588596), (8, 2691447), (11, 1957416), (12, 1794298), (22, 978708), (24, 897149), (33, 652472), (44, 489354), (66, 326236), (88, 244677), (132, 163118), (264, 81559)]