21793970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198127}}^1$

素因数の和:198145

約数の個数: 16

約数和(自身を含む): 42795648

約数和(自身を除く): 21001678

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 198127, 396254, 990635, 1981270, 2179397, 4358794, 10896985, 21793970]

約数ペア:

[(1, 21793970), (2, 10896985), (5, 4358794), (10, 2179397), (11, 1981270), (22, 990635), (55, 396254), (110, 198127)]