21432278

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{8849}}^1$

素因数の和:9031

約数の個数: 16

約数和(自身を含む): 36957600

約数和(自身を除く): 15525322

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 8849, 17698, 61943, 123886, 1530877, 3061754, 10716139, 21432278]

約数ペア:

[(1, 21432278), (2, 10716139), (7, 3061754), (14, 1530877), (173, 123886), (346, 61943), (1211, 17698), (2422, 8849)]