21626164

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33581}}^1$

素因数の和:33615

約数の個数: 24

約数和(自身を含む): 45134208

約数和(自身を除く): 23508044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33581, 67162, 134324, 235067, 470134, 772363, 940268, 1544726, 3089452, 5406541, 10813082, 21626164]

約数ペア:

[(1, 21626164), (2, 10813082), (4, 5406541), (7, 3089452), (14, 1544726), (23, 940268), (28, 772363), (46, 470134), (92, 235067), (161, 134324), (322, 67162), (644, 33581)]