21776656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123731}}^1$

素因数の和:123750

約数の個数: 20

約数和(自身を含む): 46028304

約数和(自身を除く): 24251648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123731, 247462, 494924, 989848, 1361041, 1979696, 2722082, 5444164, 10888328, 21776656]

約数ペア:

[(1, 21776656), (2, 10888328), (4, 5444164), (8, 2722082), (11, 1979696), (16, 1361041), (22, 989848), (44, 494924), (88, 247462), (176, 123731)]