21057592

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5233}}^1$

素因数の和:5742

約数の個数: 16

約数和(自身を含む): 39569040

約数和(自身を除く): 18511448

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5233, 10466, 20932, 41864, 2632199, 5264398, 10528796, 21057592]

約数ペア:

[(1, 21057592), (2, 10528796), (4, 5264398), (8, 2632199), (503, 41864), (1006, 20932), (2012, 10466), (4024, 5233)]