21962499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 33626880

約数和(自身を除く): 11664381

約数列:

[1, 3, 13, 19, 39, 57, 107, 247, 277, 321, 741, 831, 1391, 2033, 3601, 4173, 5263, 6099, 10803, 15789, 26429, 29639, 68419, 79287, 88917, 205257, 385307, 563141, 1155921, 1689423, 7320833, 21962499]

約数ペア:

[(1, 21962499), (3, 7320833), (13, 1689423), (19, 1155921), (39, 563141), (57, 385307), (107, 205257), (247, 88917), (277, 79287), (321, 68419), (741, 29639), (831, 26429), (1391, 15789), (2033, 10803), (3601, 6099), (4173, 5263)]