21705951710

素因数分解:

$2^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{2475023}}^1$

素因数の和:2475907

約数の個数: 16

約数和(自身を含む): 39115279296

約数和(自身を除く): 17409327586

約数列:

[1, 2, 5, 10, 877, 1754, 4385, 8770, 2475023, 4950046, 12375115, 24750230, 2170595171, 4341190342, 10852975855, 21705951710]

約数ペア:

[(1, 21705951710), (2, 10852975855), (5, 4341190342), (10, 2170595171), (877, 24750230), (1754, 12375115), (4385, 4950046), (8770, 2475023)]