21790702

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1567}}^1$

素因数の和:1995

約数の個数: 16

約数和(自身を含む): 34715520

約数和(自身を除く): 12924818

約数列:

[1, 2, 17, 34, 409, 818, 1567, 3134, 6953, 13906, 26639, 53278, 640903, 1281806, 10895351, 21790702]

約数ペア:

[(1, 21790702), (2, 10895351), (17, 1281806), (34, 640903), (409, 53278), (818, 26639), (1567, 13906), (3134, 6953)]