21079484

素因数分解:

$2^2\times {\mathrm{1621}}^1\times {\mathrm{3251}}^1$

素因数の和:4876

約数の個数: 12

約数和(自身を含む): 36923208

約数和(自身を除く): 15843724

約数列:

[1, 2, 4, 1621, 3242, 3251, 6484, 6502, 13004, 5269871, 10539742, 21079484]

約数ペア:

[(1, 21079484), (2, 10539742), (4, 5269871), (1621, 13004), (3242, 6502), (3251, 6484)]