21375332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{2909}}^1$

素因数の和:3091

約数の個数: 24

約数和(自身を含む): 41065920

約数和(自身を除く): 19690588

約数列:

[1, 2, 4, 11, 22, 44, 167, 334, 668, 1837, 2909, 3674, 5818, 7348, 11636, 31999, 63998, 127996, 485803, 971606, 1943212, 5343833, 10687666, 21375332]

約数ペア:

[(1, 21375332), (2, 10687666), (4, 5343833), (11, 1943212), (22, 971606), (44, 485803), (167, 127996), (334, 63998), (668, 31999), (1837, 11636), (2909, 7348), (3674, 5818)]