21374731

素因数分解:

$7^3\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:739

約数の個数: 16

約数和(自身を含む): 25214400

約数和(自身を除く): 3839669

約数列:

[1, 7, 49, 101, 343, 617, 707, 4319, 4949, 30233, 34643, 62317, 211631, 436219, 3053533, 21374731]

約数ペア:

[(1, 21374731), (7, 3053533), (49, 436219), (101, 211631), (343, 62317), (617, 34643), (707, 30233), (4319, 4949)]