2021300090

素因数分解:

$2^1\times 5^1\times {\mathrm{3943}}^1\times {\mathrm{51263}}^1$

素因数の和:55213

約数の個数: 16

約数和(自身を含む): 3639333888

約数和(自身を除く): 1618033798

約数列:

[1, 2, 5, 10, 3943, 7886, 19715, 39430, 51263, 102526, 256315, 512630, 202130009, 404260018, 1010650045, 2021300090]

約数ペア:

[(1, 2021300090), (2, 1010650045), (5, 404260018), (10, 202130009), (3943, 512630), (7886, 256315), (19715, 102526), (39430, 51263)]