21404244

素因数分解:

$2^2\times 3^1\times {\mathrm{1021}}^1\times {\mathrm{1747}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 50020768

約数和(自身を除く): 28616524

約数列:

[1, 2, 3, 4, 6, 12, 1021, 1747, 2042, 3063, 3494, 4084, 5241, 6126, 6988, 10482, 12252, 20964, 1783687, 3567374, 5351061, 7134748, 10702122, 21404244]

約数ペア:

[(1, 21404244), (2, 10702122), (3, 7134748), (4, 5351061), (6, 3567374), (12, 1783687), (1021, 20964), (1747, 12252), (2042, 10482), (3063, 6988), (3494, 6126), (4084, 5241)]