21955100

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{911}}^1$

素因数の和:1166

約数の個数: 36

約数和(自身を含む): 47892768

約数和(自身を除く): 25937668

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 911, 964, 1205, 1822, 2410, 3644, 4555, 4820, 6025, 9110, 12050, 18220, 22775, 24100, 45550, 91100, 219551, 439102, 878204, 1097755, 2195510, 4391020, 5488775, 10977550, 21955100]

約数ペア:

[(1, 21955100), (2, 10977550), (4, 5488775), (5, 4391020), (10, 2195510), (20, 1097755), (25, 878204), (50, 439102), (100, 219551), (241, 91100), (482, 45550), (911, 24100), (964, 22775), (1205, 18220), (1822, 12050), (2410, 9110), (3644, 6025), (4555, 4820)]