21251402

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1933}}^1$

素因数の和:2197

約数の個数: 16

約数和(自身を含む): 33419520

約数和(自身を除く): 12168118

約数列:

[1, 2, 23, 46, 239, 478, 1933, 3866, 5497, 10994, 44459, 88918, 461987, 923974, 10625701, 21251402]

約数ペア:

[(1, 21251402), (2, 10625701), (23, 923974), (46, 461987), (239, 88918), (478, 44459), (1933, 10994), (3866, 5497)]