21804888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1213}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 62933760

約数和(自身を除く): 41128872

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, 1213, 1284, 1498, 2247, 2426, 2568, 2996, 3639, 4494, 4852, 5992, 7278, 8491, 8988, 9704, 14556, 16982, 17976, 25473, 29112, 33964, 50946, 67928, 101892, 129791, 203784, 259582, 389373, 519164, 778746, 908537, 1038328, 1557492, 1817074, 2725611, 3114984, 3634148, 5451222, 7268296, 10902444, 21804888]

約数ペア:

[(1, 21804888), (2, 10902444), (3, 7268296), (4, 5451222), (6, 3634148), (7, 3114984), (8, 2725611), (12, 1817074), (14, 1557492), (21, 1038328), (24, 908537), (28, 778746), (42, 519164), (56, 389373), (84, 259582), (107, 203784), (168, 129791), (214, 101892), (321, 67928), (428, 50946), (642, 33964), (749, 29112), (856, 25473), (1213, 17976), (1284, 16982), (1498, 14556), (2247, 9704), (2426, 8988), (2568, 8491), (2996, 7278), (3639, 5992), (4494, 4852)]