20210958981

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{6329}}^1\times {\mathrm{15427}}^1$

素因数の和:21785

約数の個数: 24

約数和(自身を含む): 30469682880

約数和(自身を除く): 10258723899

約数列:

[1, 3, 9, 23, 69, 207, 6329, 15427, 18987, 46281, 56961, 138843, 145567, 354821, 436701, 1064463, 1310103, 3193389, 97637483, 292912449, 878737347, 2245662109, 6736986327, 20210958981]

約数ペア:

[(1, 20210958981), (3, 6736986327), (9, 2245662109), (23, 878737347), (69, 292912449), (207, 97637483), (6329, 3193389), (15427, 1310103), (18987, 1064463), (46281, 436701), (56961, 354821), (138843, 145567)]