21432843

素因数分解:

$3^5\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 32342128

約数和(自身を除く): 10909285

約数列:

[1, 3, 9, 27, 81, 193, 243, 457, 579, 1371, 1737, 4113, 5211, 12339, 15633, 37017, 46899, 88201, 111051, 264603, 793809, 2381427, 7144281, 21432843]

約数ペア:

[(1, 21432843), (3, 7144281), (9, 2381427), (27, 793809), (81, 264603), (193, 111051), (243, 88201), (457, 46899), (579, 37017), (1371, 15633), (1737, 12339), (4113, 5211)]