21821745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1093}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 38438784

約数和(自身を除く): 16617039

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1093, 1331, 1815, 3279, 3993, 5465, 6655, 12023, 16395, 19965, 36069, 60115, 132253, 180345, 396759, 661265, 1454783, 1983795, 4364349, 7273915, 21821745]

約数ペア:

[(1, 21821745), (3, 7273915), (5, 4364349), (11, 1983795), (15, 1454783), (33, 661265), (55, 396759), (121, 180345), (165, 132253), (363, 60115), (605, 36069), (1093, 19965), (1331, 16395), (1815, 12023), (3279, 6655), (3993, 5465)]