21917493

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1523}}^1$

素因数の和:1586

約数の個数: 32

約数和(自身を含む): 35844480

約数和(自身を除く): 13926987

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1523, 1599, 4569, 4797, 13707, 14391, 19799, 41121, 59397, 62443, 178191, 187329, 534573, 561987, 811759, 1685961, 2435277, 7305831, 21917493]

約数ペア:

[(1, 21917493), (3, 7305831), (9, 2435277), (13, 1685961), (27, 811759), (39, 561987), (41, 534573), (117, 187329), (123, 178191), (351, 62443), (369, 59397), (533, 41121), (1107, 19799), (1523, 14391), (1599, 13707), (4569, 4797)]