21171924

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4231}}^1$

素因数の和:4380

約数の個数: 36

約数和(自身を含む): 53915680

約数和(自身を除く): 32743756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4231, 5004, 8462, 12693, 16924, 25386, 38079, 50772, 76158, 152316, 588109, 1176218, 1764327, 2352436, 3528654, 5292981, 7057308, 10585962, 21171924]

約数ペア:

[(1, 21171924), (2, 10585962), (3, 7057308), (4, 5292981), (6, 3528654), (9, 2352436), (12, 1764327), (18, 1176218), (36, 588109), (139, 152316), (278, 76158), (417, 50772), (556, 38079), (834, 25386), (1251, 16924), (1668, 12693), (2502, 8462), (4231, 5004)]