22240491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 37406208

約数和(自身を除く): 15165717

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 1987, 3731, 5961, 11193, 13909, 25831, 41727, 77493, 81467, 180817, 244401, 542451, 570269, 1059071, 1710807, 3177213, 7413497, 22240491]

約数ペア:

[(1, 22240491), (3, 7413497), (7, 3177213), (13, 1710807), (21, 1059071), (39, 570269), (41, 542451), (91, 244401), (123, 180817), (273, 81467), (287, 77493), (533, 41727), (861, 25831), (1599, 13909), (1987, 11193), (3731, 5961)]