21155982

素因数分解:

$2^1\times 3^1\times {\mathrm{449}}^1\times {\mathrm{7853}}^1$

素因数の和:8307

約数の個数: 16

約数和(自身を含む): 42411600

約数和(自身を除く): 21255618

約数列:

[1, 2, 3, 6, 449, 898, 1347, 2694, 7853, 15706, 23559, 47118, 3525997, 7051994, 10577991, 21155982]

約数ペア:

[(1, 21155982), (2, 10577991), (3, 7051994), (6, 3525997), (449, 47118), (898, 23559), (1347, 15706), (2694, 7853)]