21159033

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8467}}^1$

素因数の和:8501

約数の個数: 24

約数和(自身を含む): 34752672

約数和(自身を除く): 13593639

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8467, 25401, 59269, 143939, 177807, 414883, 431817, 1007573, 1244649, 3022719, 7053011, 21159033]

約数ペア:

[(1, 21159033), (3, 7053011), (7, 3022719), (17, 1244649), (21, 1007573), (49, 431817), (51, 414883), (119, 177807), (147, 143939), (357, 59269), (833, 25401), (2499, 8467)]