21982366

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{42437}}^1$

素因数の和:42483

約数の個数: 16

約数和(自身を含む): 38703456

約数和(自身を除く): 16721090

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 42437, 84874, 297059, 594118, 1570169, 3140338, 10991183, 21982366]

約数ペア:

[(1, 21982366), (2, 10991183), (7, 3140338), (14, 1570169), (37, 594118), (74, 297059), (259, 84874), (518, 42437)]