21000496936

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{997}}^1\times {\mathrm{11807}}^1$

素因数の和:13033

約数の個数: 32

約数和(自身を含む): 39595530240

約数和(自身を除く): 18595033304

約数列:

[1, 2, 4, 8, 223, 446, 892, 997, 1784, 1994, 3988, 7976, 11807, 23614, 47228, 94456, 222331, 444662, 889324, 1778648, 2632961, 5265922, 10531844, 11771579, 21063688, 23543158, 47086316, 94172632, 2625062117, 5250124234, 10500248468, 21000496936]

約数ペア:

[(1, 21000496936), (2, 10500248468), (4, 5250124234), (8, 2625062117), (223, 94172632), (446, 47086316), (892, 23543158), (997, 21063688), (1784, 11771579), (1994, 10531844), (3988, 5265922), (7976, 2632961), (11807, 1778648), (23614, 889324), (47228, 444662), (94456, 222331)]