21661850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1049}}^1$

素因数の和:1127

約数の個数: 48

約数和(自身を含む): 46872000

約数和(自身を除く): 25210150

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 59, 70, 118, 175, 295, 350, 413, 590, 826, 1049, 1475, 2065, 2098, 2950, 4130, 5245, 7343, 10325, 10490, 14686, 20650, 26225, 36715, 52450, 61891, 73430, 123782, 183575, 309455, 367150, 433237, 618910, 866474, 1547275, 2166185, 3094550, 4332370, 10830925, 21661850]

約数ペア:

[(1, 21661850), (2, 10830925), (5, 4332370), (7, 3094550), (10, 2166185), (14, 1547275), (25, 866474), (35, 618910), (50, 433237), (59, 367150), (70, 309455), (118, 183575), (175, 123782), (295, 73430), (350, 61891), (413, 52450), (590, 36715), (826, 26225), (1049, 20650), (1475, 14686), (2065, 10490), (2098, 10325), (2950, 7343), (4130, 5245)]