21650156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11443}}^1$

素因数の和:11501

約数の個数: 24

約数和(自身を含む): 42297024

約数和(自身を除く): 20646868

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11443, 22886, 45772, 125873, 251746, 492049, 503492, 984098, 1968196, 5412539, 10825078, 21650156]

約数ペア:

[(1, 21650156), (2, 10825078), (4, 5412539), (11, 1968196), (22, 984098), (43, 503492), (44, 492049), (86, 251746), (172, 125873), (473, 45772), (946, 22886), (1892, 11443)]