21049896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1171}}^1$

素因数の和:1294

約数の個数: 64

約数和(自身を含む): 60756480

約数和(自身を除く): 39706584

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, 1171, 1284, 1498, 2247, 2342, 2568, 2996, 3513, 4494, 4684, 5992, 7026, 8197, 8988, 9368, 14052, 16394, 17976, 24591, 28104, 32788, 49182, 65576, 98364, 125297, 196728, 250594, 375891, 501188, 751782, 877079, 1002376, 1503564, 1754158, 2631237, 3007128, 3508316, 5262474, 7016632, 10524948, 21049896]

約数ペア:

[(1, 21049896), (2, 10524948), (3, 7016632), (4, 5262474), (6, 3508316), (7, 3007128), (8, 2631237), (12, 1754158), (14, 1503564), (21, 1002376), (24, 877079), (28, 751782), (42, 501188), (56, 375891), (84, 250594), (107, 196728), (168, 125297), (214, 98364), (321, 65576), (428, 49182), (642, 32788), (749, 28104), (856, 24591), (1171, 17976), (1284, 16394), (1498, 14052), (2247, 9368), (2342, 8988), (2568, 8197), (2996, 7026), (3513, 5992), (4494, 4684)]