21860859

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{751}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 30224384

約数和(自身を除く): 8363525

約数列:

[1, 3, 31, 93, 313, 751, 939, 2253, 9703, 23281, 29109, 69843, 235063, 705189, 7286953, 21860859]

約数ペア:

[(1, 21860859), (3, 7286953), (31, 705189), (93, 235063), (313, 69843), (751, 29109), (939, 23281), (2253, 9703)]