21812890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3361}}^1$

素因数の和:3438

約数の個数: 32

約数和(自身を含む): 43571520

約数和(自身を除く): 21758630

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3245, 3361, 6490, 6722, 16805, 33610, 36971, 73942, 184855, 198299, 369710, 396598, 991495, 1982990, 2181289, 4362578, 10906445, 21812890]

約数ペア:

[(1, 21812890), (2, 10906445), (5, 4362578), (10, 2181289), (11, 1982990), (22, 991495), (55, 396598), (59, 369710), (110, 198299), (118, 184855), (295, 73942), (590, 36971), (649, 33610), (1298, 16805), (3245, 6722), (3361, 6490)]