21402214

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4159}}^1$

素因数の和:4275

約数の個数: 16

約数和(自身を含む): 33546240

約数和(自身を除く): 12144026

約数列:

[1, 2, 31, 62, 83, 166, 2573, 4159, 5146, 8318, 128929, 257858, 345197, 690394, 10701107, 21402214]

約数ペア:

[(1, 21402214), (2, 10701107), (31, 690394), (62, 345197), (83, 257858), (166, 128929), (2573, 8318), (4159, 5146)]