21888196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3917}}^1$

素因数の和:4059

約数の個数: 24

約数和(自身を含む): 42126336

約数和(自身を除く): 20238140

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3917, 5588, 7834, 15668, 43087, 86174, 172348, 497459, 994918, 1989836, 5472049, 10944098, 21888196]

約数ペア:

[(1, 21888196), (2, 10944098), (4, 5472049), (11, 1989836), (22, 994918), (44, 497459), (127, 172348), (254, 86174), (508, 43087), (1397, 15668), (2794, 7834), (3917, 5588)]