21352143

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{719}}^1$

素因数の和:1262

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 8715057

約数列:

[1, 3, 19, 57, 521, 719, 1563, 2157, 9899, 13661, 29697, 40983, 374599, 1123797, 7117381, 21352143]

約数ペア:

[(1, 21352143), (3, 7117381), (19, 1123797), (57, 374599), (521, 40983), (719, 29697), (1563, 13661), (2157, 9899)]