21196272

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{4127}}^1$

素因数の和:4245

約数の個数: 40

約数和(自身を含む): 55282176

約数和(自身を除く): 34085904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 4127, 5136, 8254, 12381, 16508, 24762, 33016, 49524, 66032, 99048, 198096, 441589, 883178, 1324767, 1766356, 2649534, 3532712, 5299068, 7065424, 10598136, 21196272]

約数ペア:

[(1, 21196272), (2, 10598136), (3, 7065424), (4, 5299068), (6, 3532712), (8, 2649534), (12, 1766356), (16, 1324767), (24, 883178), (48, 441589), (107, 198096), (214, 99048), (321, 66032), (428, 49524), (642, 33016), (856, 24762), (1284, 16508), (1712, 12381), (2568, 8254), (4127, 5136)]