21860298

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1627

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 29245302

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1558, 1559, 2337, 3118, 4674, 4677, 7011, 9354, 14022, 14031, 28062, 29621, 59242, 63919, 88863, 127838, 177726, 191757, 266589, 383514, 533178, 575271, 1150542, 1214461, 2428922, 3643383, 7286766, 10930149, 21860298]

約数ペア:

[(1, 21860298), (2, 10930149), (3, 7286766), (6, 3643383), (9, 2428922), (18, 1214461), (19, 1150542), (38, 575271), (41, 533178), (57, 383514), (82, 266589), (114, 191757), (123, 177726), (171, 127838), (246, 88863), (342, 63919), (369, 59242), (738, 29621), (779, 28062), (1558, 14031), (1559, 14022), (2337, 9354), (3118, 7011), (4674, 4677)]