21414790

素因数分解:

$2^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1931}}^1$

素因数の和:3047

約数の個数: 16

約数和(自身を含む): 38601360

約数和(自身を除く): 17186570

約数列:

[1, 2, 5, 10, 1109, 1931, 2218, 3862, 5545, 9655, 11090, 19310, 2141479, 4282958, 10707395, 21414790]

約数ペア:

[(1, 21414790), (2, 10707395), (5, 4282958), (10, 2141479), (1109, 19310), (1931, 11090), (2218, 9655), (3862, 5545)]