21598227

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11059}}^1$

素因数の和:11103

約数の個数: 24

約数和(自身を含む): 36807680

約数和(自身を除く): 15209453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 11059, 33177, 77413, 99531, 232239, 342829, 696717, 1028487, 2399803, 3085461, 7199409, 21598227]

約数ペア:

[(1, 21598227), (3, 7199409), (7, 3085461), (9, 2399803), (21, 1028487), (31, 696717), (63, 342829), (93, 232239), (217, 99531), (279, 77413), (651, 33177), (1953, 11059)]