21337352

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{16363}}^1$

素因数の和:16532

約数の個数: 16

約数和(自身を含む): 40255440

約数和(自身を除く): 18918088

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 16363, 32726, 65452, 130904, 2667169, 5334338, 10668676, 21337352]

約数ペア:

[(1, 21337352), (2, 10668676), (4, 5334338), (8, 2667169), (163, 130904), (326, 65452), (652, 32726), (1304, 16363)]