21639706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{1013}}^1$

素因数の和:1997

約数の個数: 16

約数和(自身を含む): 35481888

約数和(自身を除く): 13842182

約数列:

[1, 2, 11, 22, 971, 1013, 1942, 2026, 10681, 11143, 21362, 22286, 983623, 1967246, 10819853, 21639706]

約数ペア:

[(1, 21639706), (2, 10819853), (11, 1967246), (22, 983623), (971, 22286), (1013, 21362), (1942, 11143), (2026, 10681)]