21301940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96827}}^1$

素因数の和:96847

約数の個数: 24

約数和(自身を含む): 48801312

約数和(自身を除く): 27499372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96827, 193654, 387308, 484135, 968270, 1065097, 1936540, 2130194, 4260388, 5325485, 10650970, 21301940]

約数ペア:

[(1, 21301940), (2, 10650970), (4, 5325485), (5, 4260388), (10, 2130194), (11, 1936540), (20, 1065097), (22, 968270), (44, 484135), (55, 387308), (110, 193654), (220, 96827)]