21876792

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1217}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 63141120

約数和(自身を除く): 41264328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 107, 168, 214, 321, 428, 642, 749, 856, 1217, 1284, 1498, 2247, 2434, 2568, 2996, 3651, 4494, 4868, 5992, 7302, 8519, 8988, 9736, 14604, 17038, 17976, 25557, 29208, 34076, 51114, 68152, 102228, 130219, 204456, 260438, 390657, 520876, 781314, 911533, 1041752, 1562628, 1823066, 2734599, 3125256, 3646132, 5469198, 7292264, 10938396, 21876792]

約数ペア:

[(1, 21876792), (2, 10938396), (3, 7292264), (4, 5469198), (6, 3646132), (7, 3125256), (8, 2734599), (12, 1823066), (14, 1562628), (21, 1041752), (24, 911533), (28, 781314), (42, 520876), (56, 390657), (84, 260438), (107, 204456), (168, 130219), (214, 102228), (321, 68152), (428, 51114), (642, 34076), (749, 29208), (856, 25557), (1217, 17976), (1284, 17038), (1498, 14604), (2247, 9736), (2434, 8988), (2568, 8519), (2996, 7302), (3651, 5992), (4494, 4868)]