21762052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{971}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 41150592

約数和(自身を除く): 19388540

約数列:

[1, 2, 4, 13, 26, 52, 431, 862, 971, 1724, 1942, 3884, 5603, 11206, 12623, 22412, 25246, 50492, 418501, 837002, 1674004, 5440513, 10881026, 21762052]

約数ペア:

[(1, 21762052), (2, 10881026), (4, 5440513), (13, 1674004), (26, 837002), (52, 418501), (431, 50492), (862, 25246), (971, 22412), (1724, 12623), (1942, 11206), (3884, 5603)]