21883953

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4219}}^1$

素因数の和:4261

約数の個数: 32

約数和(自身を含む): 37811200

約数和(自身を除く): 15927247

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 4219, 5187, 12657, 29533, 54847, 80161, 88599, 164541, 240483, 383929, 561127, 1042093, 1151787, 1683381, 3126279, 7294651, 21883953]

約数ペア:

[(1, 21883953), (3, 7294651), (7, 3126279), (13, 1683381), (19, 1151787), (21, 1042093), (39, 561127), (57, 383929), (91, 240483), (133, 164541), (247, 88599), (273, 80161), (399, 54847), (741, 29533), (1729, 12657), (4219, 5187)]