21542512

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{2081}}^1$

素因数の和:2736

約数の個数: 20

約数和(自身を含む): 41823216

約数和(自身を除く): 20280704

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2081, 2588, 4162, 5176, 8324, 10352, 16648, 33296, 1346407, 2692814, 5385628, 10771256, 21542512]

約数ペア:

[(1, 21542512), (2, 10771256), (4, 5385628), (8, 2692814), (16, 1346407), (647, 33296), (1294, 16648), (2081, 10352), (2588, 8324), (4162, 5176)]