21055890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{701863}}^1$

素因数の和:701873

約数の個数: 16

約数和(自身を含む): 50534208

約数和(自身を除く): 29478318

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 701863, 1403726, 2105589, 3509315, 4211178, 7018630, 10527945, 21055890]

約数ペア:

[(1, 21055890), (2, 10527945), (3, 7018630), (5, 4211178), (6, 3509315), (10, 2105589), (15, 1403726), (30, 701863)]