2121058820

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{555251}}^1$

素因数の和:555451

約数の個数: 24

約数和(自身を含む): 4477552128

約数和(自身を除く): 2356493308

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 555251, 1110502, 2221004, 2776255, 5552510, 11105020, 106052941, 212105882, 424211764, 530264705, 1060529410, 2121058820]

約数ペア:

[(1, 2121058820), (2, 1060529410), (4, 530264705), (5, 424211764), (10, 212105882), (20, 106052941), (191, 11105020), (382, 5552510), (764, 2776255), (955, 2221004), (1910, 1110502), (3820, 555251)]