21988806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{523543}}^1$

素因数の和:523555

約数の個数: 16

約数和(自身を含む): 50260224

約数和(自身を除く): 28271418

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 523543, 1047086, 1570629, 3141258, 3664801, 7329602, 10994403, 21988806]

約数ペア:

[(1, 21988806), (2, 10994403), (3, 7329602), (6, 3664801), (7, 3141258), (14, 1570629), (21, 1047086), (42, 523543)]