21038746

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{4969}}^1$

素因数の和:5073

約数の個数: 16

約数和(自身を含む): 33100200

約数和(自身を除く): 12061454

約数列:

[1, 2, 29, 58, 73, 146, 2117, 4234, 4969, 9938, 144101, 288202, 362737, 725474, 10519373, 21038746]

約数ペア:

[(1, 21038746), (2, 10519373), (29, 725474), (58, 362737), (73, 288202), (146, 144101), (2117, 9938), (4234, 4969)]