21756460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98893}}^1$

素因数の和:98913

約数の個数: 24

約数和(自身を含む): 49842576

約数和(自身を除く): 28086116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98893, 197786, 395572, 494465, 988930, 1087823, 1977860, 2175646, 4351292, 5439115, 10878230, 21756460]

約数ペア:

[(1, 21756460), (2, 10878230), (4, 5439115), (5, 4351292), (10, 2175646), (11, 1977860), (20, 1087823), (22, 988930), (44, 494465), (55, 395572), (110, 197786), (220, 98893)]