21885016

素因数分解:

$2^3\times {\mathrm{167}}^1\times {\mathrm{16381}}^1$

素因数の和:16554

約数の個数: 16

約数和(自身を含む): 41282640

約数和(自身を除く): 19397624

約数列:

[1, 2, 4, 8, 167, 334, 668, 1336, 16381, 32762, 65524, 131048, 2735627, 5471254, 10942508, 21885016]

約数ペア:

[(1, 21885016), (2, 10942508), (4, 5471254), (8, 2735627), (167, 131048), (334, 65524), (668, 32762), (1336, 16381)]