21906724

素因数分解:

$2^2\times 7^4\times {\mathrm{2281}}^1$

素因数の和:2313

約数の個数: 30

約数和(自身を含む): 44743174

約数和(自身を除く): 22836450

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2281, 2401, 4562, 4802, 9124, 9604, 15967, 31934, 63868, 111769, 223538, 447076, 782383, 1564766, 3129532, 5476681, 10953362, 21906724]

約数ペア:

[(1, 21906724), (2, 10953362), (4, 5476681), (7, 3129532), (14, 1564766), (28, 782383), (49, 447076), (98, 223538), (196, 111769), (343, 63868), (686, 31934), (1372, 15967), (2281, 9604), (2401, 9124), (4562, 4802)]