21687631

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5879}}^1$

素因数の和:5934

約数の個数: 16

約数和(自身を含む): 27095040

約数和(自身を除く): 5407409

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5879, 41153, 99943, 182249, 699601, 1275743, 3098233, 21687631]

約数ペア:

[(1, 21687631), (7, 3098233), (17, 1275743), (31, 699601), (119, 182249), (217, 99943), (527, 41153), (3689, 5879)]