21291106

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14563}}^1$

素因数の和:14625

約数の個数: 16

約数和(自身を含む): 34604064

約数和(自身を除く): 13312958

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 14563, 29126, 247571, 495142, 626209, 1252418, 10645553, 21291106]

約数ペア:

[(1, 21291106), (2, 10645553), (17, 1252418), (34, 626209), (43, 495142), (86, 247571), (731, 29126), (1462, 14563)]