21473973

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{457}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 32580288

約数和(自身を除く): 11106315

約数列:

[1, 3, 9, 23, 69, 207, 227, 457, 681, 1371, 2043, 4113, 5221, 10511, 15663, 31533, 46989, 94599, 103739, 311217, 933651, 2385997, 7157991, 21473973]

約数ペア:

[(1, 21473973), (3, 7157991), (9, 2385997), (23, 933651), (69, 311217), (207, 103739), (227, 94599), (457, 46989), (681, 31533), (1371, 15663), (2043, 10511), (4113, 5221)]