21497102

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:656

約数の個数: 24

約数和(自身を含む): 35696136

約数和(自身を除く): 14199034

約数列:

[1, 2, 11, 22, 121, 211, 242, 421, 422, 842, 2321, 4631, 4642, 9262, 25531, 50941, 51062, 88831, 101882, 177662, 977141, 1954282, 10748551, 21497102]

約数ペア:

[(1, 21497102), (2, 10748551), (11, 1954282), (22, 977141), (121, 177662), (211, 101882), (242, 88831), (421, 51062), (422, 50941), (842, 25531), (2321, 9262), (4631, 4642)]