21833455

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20123}}^1$

素因数の和:20166

約数の個数: 16

約数和(自身を含む): 30910464

約数和(自身を除く): 9077009

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 20123, 100615, 140861, 623813, 704305, 3119065, 4366691, 21833455]

約数ペア:

[(1, 21833455), (5, 4366691), (7, 3119065), (31, 704305), (35, 623813), (155, 140861), (217, 100615), (1085, 20123)]