21193135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1493}}^1$

素因数の和:1682

約数の個数: 16

約数和(自身を含む): 27107136

約数和(自身を除く): 5914001

約数列:

[1, 5, 17, 85, 167, 835, 1493, 2839, 7465, 14195, 25381, 126905, 249331, 1246655, 4238627, 21193135]

約数ペア:

[(1, 21193135), (5, 4238627), (17, 1246655), (85, 249331), (167, 126905), (835, 25381), (1493, 14195), (2839, 7465)]