21746469

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 31617120

約数和(自身を除く): 9870651

約数列:

[1, 3, 19, 31, 57, 93, 397, 589, 961, 1191, 1767, 2883, 7543, 12307, 18259, 22629, 36921, 54777, 233833, 381517, 701499, 1144551, 7248823, 21746469]

約数ペア:

[(1, 21746469), (3, 7248823), (19, 1144551), (31, 701499), (57, 381517), (93, 233833), (397, 54777), (589, 36921), (961, 22629), (1191, 18259), (1767, 12307), (2883, 7543)]