21690196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21433}}^1$

素因数の和:21471

約数の個数: 24

約数和(自身を含む): 43210944

約数和(自身を除く): 21520748

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21433, 42866, 85732, 235763, 471526, 492959, 943052, 985918, 1971836, 5422549, 10845098, 21690196]

約数ペア:

[(1, 21690196), (2, 10845098), (4, 5422549), (11, 1971836), (22, 985918), (23, 943052), (44, 492959), (46, 471526), (92, 235763), (253, 85732), (506, 42866), (1012, 21433)]