22171270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{201557}}^1$

素因数の和:201575

約数の個数: 16

約数和(自身を含む): 43536528

約数和(自身を除く): 21365258

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 201557, 403114, 1007785, 2015570, 2217127, 4434254, 11085635, 22171270]

約数ペア:

[(1, 22171270), (2, 11085635), (5, 4434254), (10, 2217127), (11, 2015570), (22, 1007785), (55, 403114), (110, 201557)]