21966849

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{1657}}^1$

素因数の和:2157

約数の個数: 16

約数和(自身を含む): 32629440

約数和(自身を除く): 10662591

約数列:

[1, 3, 9, 27, 491, 1473, 1657, 4419, 4971, 13257, 14913, 44739, 813587, 2440761, 7322283, 21966849]

約数ペア:

[(1, 21966849), (3, 7322283), (9, 2440761), (27, 813587), (491, 44739), (1473, 14913), (1657, 13257), (4419, 4971)]