21552447

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{827}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 35292672

約数和(自身を除く): 13740225

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 827, 1241, 1533, 2481, 3723, 5789, 8687, 14059, 17367, 26061, 42177, 60371, 98413, 181113, 295239, 422597, 1026307, 1267791, 3078921, 7184149, 21552447]

約数ペア:

[(1, 21552447), (3, 7184149), (7, 3078921), (17, 1267791), (21, 1026307), (51, 422597), (73, 295239), (119, 181113), (219, 98413), (357, 60371), (511, 42177), (827, 26061), (1241, 17367), (1533, 14059), (2481, 8687), (3723, 5789)]