21137594559

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1\times {\mathrm{10139}}^1$

素因数の和:10975

約数の個数: 32

約数和(自身を含む): 30137702400

約数和(自身を除く): 9000107841

約数列:

[1, 3, 29, 31, 87, 93, 773, 899, 2319, 2697, 10139, 22417, 23963, 30417, 67251, 71889, 294031, 314309, 694927, 882093, 942927, 2084781, 7837447, 9114961, 23512341, 27344883, 227285963, 242960857, 681857889, 728882571, 7045864853, 21137594559]

約数ペア:

[(1, 21137594559), (3, 7045864853), (29, 728882571), (31, 681857889), (87, 242960857), (93, 227285963), (773, 27344883), (899, 23512341), (2319, 9114961), (2697, 7837447), (10139, 2084781), (22417, 942927), (23963, 882093), (30417, 694927), (67251, 314309), (71889, 294031)]