21371750405

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1\times {\mathrm{79039}}^1$

素因数の和:80404

約数の個数: 16

約数和(自身を含む): 26291865600

約数和(自身を除く): 4920115195

約数列:

[1, 5, 41, 205, 1319, 6595, 54079, 79039, 270395, 395195, 3240599, 16202995, 104252441, 521262205, 4274350081, 21371750405]

約数ペア:

[(1, 21371750405), (5, 4274350081), (41, 521262205), (205, 104252441), (1319, 16202995), (6595, 3240599), (54079, 395195), (79039, 270395)]