21572270

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20161}}^1$

素因数の和:20275

約数の個数: 16

約数和(自身を含む): 39194928

約数和(自身を除く): 17622658

約数列:

[1, 2, 5, 10, 107, 214, 535, 1070, 20161, 40322, 100805, 201610, 2157227, 4314454, 10786135, 21572270]

約数ペア:

[(1, 21572270), (2, 10786135), (5, 4314454), (10, 2157227), (107, 201610), (214, 100805), (535, 40322), (1070, 20161)]