21022874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8623}}^1$

素因数の和:8701

約数の個数: 16

約数和(自身を含む): 33530112

約数和(自身を除く): 12507238

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8623, 17246, 198329, 396658, 457019, 914038, 10511437, 21022874]

約数ペア:

[(1, 21022874), (2, 10511437), (23, 914038), (46, 457019), (53, 396658), (106, 198329), (1219, 17246), (2438, 8623)]