21543412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1163}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 41261472

約数和(自身を除く): 19718060

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1163, 1684, 2326, 4631, 4652, 9262, 12793, 18524, 25586, 51172, 489623, 979246, 1958492, 5385853, 10771706, 21543412]

約数ペア:

[(1, 21543412), (2, 10771706), (4, 5385853), (11, 1958492), (22, 979246), (44, 489623), (421, 51172), (842, 25586), (1163, 18524), (1684, 12793), (2326, 9262), (4631, 4652)]