21580472

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72907}}^1$

素因数の和:72950

約数の個数: 16

約数和(自身を含む): 41557560

約数和(自身を除く): 19977088

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72907, 145814, 291628, 583256, 2697559, 5395118, 10790236, 21580472]

約数ペア:

[(1, 21580472), (2, 10790236), (4, 5395118), (8, 2697559), (37, 583256), (74, 291628), (148, 145814), (296, 72907)]