21060970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6997}}^1$

素因数の和:7054

約数の個数: 32

約数和(自身を含む): 44339328

約数和(自身を除く): 23278358

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6997, 13994, 34985, 48979, 69970, 97958, 244895, 300871, 489790, 601742, 1504355, 2106097, 3008710, 4212194, 10530485, 21060970]

約数ペア:

[(1, 21060970), (2, 10530485), (5, 4212194), (7, 3008710), (10, 2106097), (14, 1504355), (35, 601742), (43, 489790), (70, 300871), (86, 244895), (215, 97958), (301, 69970), (430, 48979), (602, 34985), (1505, 13994), (3010, 6997)]