21830025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 42251264

約数和(自身を除く): 20421239

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 967, 1075, 1505, 2901, 3225, 4515, 4835, 6769, 7525, 14505, 20307, 22575, 24175, 33845, 41581, 72525, 101535, 124743, 169225, 207905, 291067, 507675, 623715, 873201, 1039525, 1455335, 3118575, 4366005, 7276675, 21830025]

約数ペア:

[(1, 21830025), (3, 7276675), (5, 4366005), (7, 3118575), (15, 1455335), (21, 1039525), (25, 873201), (35, 623715), (43, 507675), (75, 291067), (105, 207905), (129, 169225), (175, 124743), (215, 101535), (301, 72525), (525, 41581), (645, 33845), (903, 24175), (967, 22575), (1075, 20307), (1505, 14505), (2901, 7525), (3225, 6769), (4515, 4835)]