21141075

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4621}}^1$

素因数の和:4695

約数の個数: 24

約数和(自身を含む): 35533936

約数和(自身を除く): 14392861

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 4621, 13863, 23105, 69315, 115525, 281881, 346575, 845643, 1409405, 4228215, 7047025, 21141075]

約数ペア:

[(1, 21141075), (3, 7047025), (5, 4228215), (15, 1409405), (25, 845643), (61, 346575), (75, 281881), (183, 115525), (305, 69315), (915, 23105), (1525, 13863), (4575, 4621)]