21495366908

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{356143}}^1$

素因数の和:356417

約数の個数: 24

約数和(自身を含む): 38292602880

約数和(自身を除く): 16797235972

約数列:

[1, 2, 4, 79, 158, 191, 316, 382, 764, 15089, 30178, 60356, 356143, 712286, 1424572, 28135297, 56270594, 68023313, 112541188, 136046626, 272093252, 5373841727, 10747683454, 21495366908]

約数ペア:

[(1, 21495366908), (2, 10747683454), (4, 5373841727), (79, 272093252), (158, 136046626), (191, 112541188), (316, 68023313), (382, 56270594), (764, 28135297), (15089, 1424572), (30178, 712286), (60356, 356143)]