21939876

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29021}}^1$

素因数の和:29041

約数の個数: 48

約数和(自身を含む): 65009280

約数和(自身を除く): 43069404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 29021, 58042, 87063, 116084, 174126, 203147, 261189, 348252, 406294, 522378, 609441, 783567, 812588, 1044756, 1218882, 1567134, 1828323, 2437764, 3134268, 3656646, 5484969, 7313292, 10969938, 21939876]

約数ペア:

[(1, 21939876), (2, 10969938), (3, 7313292), (4, 5484969), (6, 3656646), (7, 3134268), (9, 2437764), (12, 1828323), (14, 1567134), (18, 1218882), (21, 1044756), (27, 812588), (28, 783567), (36, 609441), (42, 522378), (54, 406294), (63, 348252), (84, 261189), (108, 203147), (126, 174126), (189, 116084), (252, 87063), (378, 58042), (756, 29021)]