21329797

素因数分解:

${\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 22777200

約数和(自身を除く): 1447403

約数列:

[1, 37, 53, 73, 149, 1961, 2701, 3869, 5513, 7897, 10877, 143153, 292189, 402449, 576481, 21329797]

約数ペア:

[(1, 21329797), (37, 576481), (53, 402449), (73, 292189), (149, 143153), (1961, 10877), (2701, 7897), (3869, 5513)]