2021085999

素因数分解:

$3^4\times {\mathrm{797}}^1\times {\mathrm{31307}}^1$

素因数の和:32116

約数の個数: 20

約数和(自身を含む): 3023037864

約数和(自身を除く): 1001951865

約数列:

[1, 3, 9, 27, 81, 797, 2391, 7173, 21519, 31307, 64557, 93921, 281763, 845289, 2535867, 24951679, 74855037, 224565111, 673695333, 2021085999]

約数ペア:

[(1, 2021085999), (3, 673695333), (9, 224565111), (27, 74855037), (81, 24951679), (797, 2535867), (2391, 845289), (7173, 281763), (21519, 93921), (31307, 64557)]