21317966210

素因数分解:

$2^1\times 5^1\times {\mathrm{859}}^1\times {\mathrm{2481719}}^1$

素因数の和:2482585

約数の個数: 16

約数和(自身を含む): 38417025600

約数和(自身を除く): 17099059390

約数列:

[1, 2, 5, 10, 859, 1718, 4295, 8590, 2481719, 4963438, 12408595, 24817190, 2131796621, 4263593242, 10658983105, 21317966210]

約数ペア:

[(1, 21317966210), (2, 10658983105), (5, 4263593242), (10, 2131796621), (859, 24817190), (1718, 12408595), (4295, 4963438), (8590, 2481719)]