21031859540

素因数分解:

$2^2\times 5^1\times {\mathrm{4523}}^1\times {\mathrm{232499}}^1$

素因数の和:237031

約数の個数: 24

約数和(自身を含む): 44176860000

約数和(自身を除く): 23145000460

約数列:

[1, 2, 4, 5, 10, 20, 4523, 9046, 18092, 22615, 45230, 90460, 232499, 464998, 929996, 1162495, 2324990, 4649980, 1051592977, 2103185954, 4206371908, 5257964885, 10515929770, 21031859540]

約数ペア:

[(1, 21031859540), (2, 10515929770), (4, 5257964885), (5, 4206371908), (10, 2103185954), (20, 1051592977), (4523, 4649980), (9046, 2324990), (18092, 1162495), (22615, 929996), (45230, 464998), (90460, 232499)]