21246786

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11923}}^1$

素因数の和:11948

約数の個数: 40

約数和(自身を含む): 51940944

約数和(自身を除く): 30694158

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11923, 23846, 35769, 71538, 107307, 131153, 214614, 262306, 321921, 393459, 643842, 786918, 965763, 1180377, 1931526, 2360754, 3541131, 7082262, 10623393, 21246786]

約数ペア:

[(1, 21246786), (2, 10623393), (3, 7082262), (6, 3541131), (9, 2360754), (11, 1931526), (18, 1180377), (22, 965763), (27, 786918), (33, 643842), (54, 393459), (66, 321921), (81, 262306), (99, 214614), (162, 131153), (198, 107307), (297, 71538), (594, 35769), (891, 23846), (1782, 11923)]