21152296

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 43570080

約数和(自身を除く): 22417784

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 157, 314, 628, 1256, 1531, 1727, 3062, 3454, 6124, 6908, 12248, 13816, 16841, 33682, 67364, 134728, 240367, 480734, 961468, 1922936, 2644037, 5288074, 10576148, 21152296]

約数ペア:

[(1, 21152296), (2, 10576148), (4, 5288074), (8, 2644037), (11, 1922936), (22, 961468), (44, 480734), (88, 240367), (157, 134728), (314, 67364), (628, 33682), (1256, 16841), (1531, 13816), (1727, 12248), (3062, 6908), (3454, 6124)]