21930590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1033}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 43328736

約数和(自身を除く): 21398146

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 965, 1033, 1930, 2066, 2123, 4246, 5165, 10330, 10615, 11363, 21230, 22726, 56815, 113630, 199369, 398738, 996845, 1993690, 2193059, 4386118, 10965295, 21930590]

約数ペア:

[(1, 21930590), (2, 10965295), (5, 4386118), (10, 2193059), (11, 1993690), (22, 996845), (55, 398738), (110, 199369), (193, 113630), (386, 56815), (965, 22726), (1033, 21230), (1930, 11363), (2066, 10615), (2123, 10330), (4246, 5165)]