21741993

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8849}}^1$

素因数の和:8878

約数の個数: 32

約数和(自身を含む): 39648000

約数和(自身を除く): 17906007

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8849, 26547, 61943, 79641, 115037, 185829, 238923, 345111, 557487, 805259, 1035333, 1672461, 2415777, 3105999, 7247331, 21741993]

約数ペア:

[(1, 21741993), (3, 7247331), (7, 3105999), (9, 2415777), (13, 1672461), (21, 1035333), (27, 805259), (39, 557487), (63, 345111), (91, 238923), (117, 185829), (189, 115037), (273, 79641), (351, 61943), (819, 26547), (2457, 8849)]