21499682780

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1\times {\mathrm{10091}}^1$

素因数の和:10754

約数の個数: 48

約数和(自身を含む): 45431438976

約数和(自身を除く): 23931756196

約数列:

[1, 2, 4, 5, 10, 20, 307, 347, 614, 694, 1228, 1388, 1535, 1735, 3070, 3470, 6140, 6940, 10091, 20182, 40364, 50455, 100910, 106529, 201820, 213058, 426116, 532645, 1065290, 2130580, 3097937, 3501577, 6195874, 7003154, 12391748, 14006308, 15489685, 17507885, 30979370, 35015770, 61958740, 70031540, 1074984139, 2149968278, 4299936556, 5374920695, 10749841390, 21499682780]

約数ペア:

[(1, 21499682780), (2, 10749841390), (4, 5374920695), (5, 4299936556), (10, 2149968278), (20, 1074984139), (307, 70031540), (347, 61958740), (614, 35015770), (694, 30979370), (1228, 17507885), (1388, 15489685), (1535, 14006308), (1735, 12391748), (3070, 7003154), (3470, 6195874), (6140, 3501577), (6940, 3097937), (10091, 2130580), (20182, 1065290), (40364, 532645), (50455, 426116), (100910, 213058), (106529, 201820)]