21501193

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 25344000

約数和(自身を除く): 3842807

約数列:

[1, 7, 59, 79, 413, 553, 659, 4613, 4661, 32627, 38881, 52061, 272167, 364427, 3071599, 21501193]

約数ペア:

[(1, 21501193), (7, 3071599), (59, 364427), (79, 272167), (413, 52061), (553, 38881), (659, 32627), (4613, 4661)]