21440841620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97458371}}^1$

素因数の和:97458391

約数の個数: 24

約数和(自身を含む): 49119019488

約数和(自身を除く): 27678177868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 97458371, 194916742, 389833484, 487291855, 974583710, 1072042081, 1949167420, 2144084162, 4288168324, 5360210405, 10720420810, 21440841620]

約数ペア:

[(1, 21440841620), (2, 10720420810), (4, 5360210405), (5, 4288168324), (10, 2144084162), (11, 1949167420), (20, 1072042081), (22, 974583710), (44, 487291855), (55, 389833484), (110, 194916742), (220, 97458371)]