21080714

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1\times {\mathrm{839}}^1$

素因数の和:1597

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 12485686

約数列:

[1, 2, 17, 34, 739, 839, 1478, 1678, 12563, 14263, 25126, 28526, 620021, 1240042, 10540357, 21080714]

約数ペア:

[(1, 21080714), (2, 10540357), (17, 1240042), (34, 620021), (739, 28526), (839, 25126), (1478, 14263), (1678, 12563)]