21297914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{997}}^1$

素因数の和:1981

約数の個数: 16

約数和(自身を含む): 34922016

約数和(自身を除く): 13624102

約数列:

[1, 2, 11, 22, 971, 997, 1942, 1994, 10681, 10967, 21362, 21934, 968087, 1936174, 10648957, 21297914]

約数ペア:

[(1, 21297914), (2, 10648957), (11, 1936174), (22, 968087), (971, 21934), (997, 21362), (1942, 10967), (1994, 10681)]