21877288

素因数分解:

$2^3\times {\mathrm{271}}^1\times {\mathrm{10091}}^1$

素因数の和:10368

約数の個数: 16

約数和(自身を含む): 41175360

約数和(自身を除く): 19298072

約数列:

[1, 2, 4, 8, 271, 542, 1084, 2168, 10091, 20182, 40364, 80728, 2734661, 5469322, 10938644, 21877288]

約数ペア:

[(1, 21877288), (2, 10938644), (4, 5469322), (8, 2734661), (271, 80728), (542, 40364), (1084, 20182), (2168, 10091)]