21799665

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5209}}^1$

素因数の和:5254

約数の個数: 32

約数和(自身を含む): 40012800

約数和(自身を除く): 18213135

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 5209, 15627, 26045, 46881, 78135, 140643, 161479, 234405, 484437, 703215, 807395, 1453311, 2422185, 4359933, 7266555, 21799665]

約数ペア:

[(1, 21799665), (3, 7266555), (5, 4359933), (9, 2422185), (15, 1453311), (27, 807395), (31, 703215), (45, 484437), (93, 234405), (135, 161479), (155, 140643), (279, 78135), (465, 46881), (837, 26045), (1395, 15627), (4185, 5209)]