21297601816

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{5090249}}^1$

素因数の和:5090778

約数の個数: 16

約数和(自身を含む): 40009365000

約数和(自身を除く): 18711763184

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 5090249, 10180498, 20360996, 40721992, 2662200227, 5324400454, 10648800908, 21297601816]

約数ペア:

[(1, 21297601816), (2, 10648800908), (4, 5324400454), (8, 2662200227), (523, 40721992), (1046, 20360996), (2092, 10180498), (4184, 5090249)]