21227577

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 34659072

約数和(自身を除く): 13431495

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 291, 357, 613, 679, 1649, 1839, 2037, 4291, 4947, 10421, 11543, 12873, 31263, 34629, 59461, 72947, 178383, 218841, 416227, 1010837, 1248681, 3032511, 7075859, 21227577]

約数ペア:

[(1, 21227577), (3, 7075859), (7, 3032511), (17, 1248681), (21, 1010837), (51, 416227), (97, 218841), (119, 178383), (291, 72947), (357, 59461), (613, 34629), (679, 31263), (1649, 12873), (1839, 11543), (2037, 10421), (4291, 4947)]