21109080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175909}}^1$

素因数の和:175923

約数の個数: 32

約数和(自身を含む): 63327600

約数和(自身を除く): 42218520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175909, 351818, 527727, 703636, 879545, 1055454, 1407272, 1759090, 2110908, 2638635, 3518180, 4221816, 5277270, 7036360, 10554540, 21109080]

約数ペア:

[(1, 21109080), (2, 10554540), (3, 7036360), (4, 5277270), (5, 4221816), (6, 3518180), (8, 2638635), (10, 2110908), (12, 1759090), (15, 1407272), (20, 1055454), (24, 879545), (30, 703636), (40, 527727), (60, 351818), (120, 175909)]