21750892

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 39129440

約数和(自身を除く): 17378548

約数列:

[1, 2, 4, 61, 97, 122, 194, 244, 388, 919, 1838, 3676, 5917, 11834, 23668, 56059, 89143, 112118, 178286, 224236, 356572, 5437723, 10875446, 21750892]

約数ペア:

[(1, 21750892), (2, 10875446), (4, 5437723), (61, 356572), (97, 224236), (122, 178286), (194, 112118), (244, 89143), (388, 56059), (919, 23668), (1838, 11834), (3676, 5917)]