21806056

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5419}}^1$

素因数の和:5928

約数の個数: 16

約数和(自身を含む): 40975200

約数和(自身を除く): 19169144

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5419, 10838, 21676, 43352, 2725757, 5451514, 10903028, 21806056]

約数ペア:

[(1, 21806056), (2, 10903028), (4, 5451514), (8, 2725757), (503, 43352), (1006, 21676), (2012, 10838), (4024, 5419)]