21984648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1223}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 41467512

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, 1223, 1284, 1498, 2247, 2446, 2568, 2996, 3669, 4494, 4892, 5992, 7338, 8561, 8988, 9784, 14676, 17122, 17976, 25683, 29352, 34244, 51366, 68488, 102732, 130861, 205464, 261722, 392583, 523444, 785166, 916027, 1046888, 1570332, 1832054, 2748081, 3140664, 3664108, 5496162, 7328216, 10992324, 21984648]

約数ペア:

[(1, 21984648), (2, 10992324), (3, 7328216), (4, 5496162), (6, 3664108), (7, 3140664), (8, 2748081), (12, 1832054), (14, 1570332), (21, 1046888), (24, 916027), (28, 785166), (42, 523444), (56, 392583), (84, 261722), (107, 205464), (168, 130861), (214, 102732), (321, 68488), (428, 51366), (642, 34244), (749, 29352), (856, 25683), (1223, 17976), (1284, 17122), (1498, 14676), (2247, 9784), (2446, 8988), (2568, 8561), (2996, 7338), (3669, 5992), (4494, 4892)]