21074585

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9871}}^1$

素因数の和:9944

約数の個数: 16

約数和(自身を含む): 29379072

約数和(自身を除く): 8304487

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9871, 49355, 69097, 345485, 602131, 3010655, 4214917, 21074585]

約数ペア:

[(1, 21074585), (5, 4214917), (7, 3010655), (35, 602131), (61, 345485), (305, 69097), (427, 49355), (2135, 9871)]