21260097

素因数分解:

$3^3\times {\mathrm{457}}^1\times {\mathrm{1723}}^1$

素因数の和:2189

約数の個数: 16

約数和(自身を含む): 31583680

約数和(自身を除く): 10323583

約数列:

[1, 3, 9, 27, 457, 1371, 1723, 4113, 5169, 12339, 15507, 46521, 787411, 2362233, 7086699, 21260097]

約数ペア:

[(1, 21260097), (3, 7086699), (9, 2362233), (27, 787411), (457, 46521), (1371, 15507), (1723, 12339), (4113, 5169)]