21604569

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 35377920

約数和(自身を除く): 13773351

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 511, 829, 1241, 1533, 2487, 3723, 5803, 8687, 14093, 17409, 26061, 42279, 60517, 98651, 181551, 295953, 423619, 1028789, 1270857, 3086367, 7201523, 21604569]

約数ペア:

[(1, 21604569), (3, 7201523), (7, 3086367), (17, 1270857), (21, 1028789), (51, 423619), (73, 295953), (119, 181551), (219, 98651), (357, 60517), (511, 42279), (829, 26061), (1241, 17409), (1533, 14093), (2487, 8687), (3723, 5803)]