21167368901

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{870691}}^1$

素因数の和:870872

約数の個数: 16

約数和(自身を含む): 25410275328

約数和(自身を除く): 4242906427

約数列:

[1, 7, 23, 151, 161, 1057, 3473, 24311, 870691, 6094837, 20025893, 131474341, 140181251, 920320387, 3023909843, 21167368901]

約数ペア:

[(1, 21167368901), (7, 3023909843), (23, 920320387), (151, 140181251), (161, 131474341), (1057, 20025893), (3473, 6094837), (24311, 870691)]