21000655161

素因数分解:

$3^3\times {\mathrm{467}}^1\times {\mathrm{1665529}}^1$

素因数の和:1666005

約数の個数: 16

約数和(自身を含む): 31178721600

約数和(自身を除く): 10178066439

約数列:

[1, 3, 9, 27, 467, 1401, 4203, 12609, 1665529, 4996587, 14989761, 44969283, 777802043, 2333406129, 7000218387, 21000655161]

約数ペア:

[(1, 21000655161), (3, 7000218387), (9, 2333406129), (27, 777802043), (467, 44969283), (1401, 14989761), (4203, 4996587), (12609, 1665529)]