21704936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1571}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 44707680

約数和(自身を除く): 23002744

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 157, 314, 628, 1256, 1571, 1727, 3142, 3454, 6284, 6908, 12568, 13816, 17281, 34562, 69124, 138248, 246647, 493294, 986588, 1973176, 2713117, 5426234, 10852468, 21704936]

約数ペア:

[(1, 21704936), (2, 10852468), (4, 5426234), (8, 2713117), (11, 1973176), (22, 986588), (44, 493294), (88, 246647), (157, 138248), (314, 69124), (628, 34562), (1256, 17281), (1571, 13816), (1727, 12568), (3142, 6908), (3454, 6284)]