21467640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178897}}^1$

素因数の和:178911

約数の個数: 32

約数和(自身を含む): 64403280

約数和(自身を除く): 42935640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178897, 357794, 536691, 715588, 894485, 1073382, 1431176, 1788970, 2146764, 2683455, 3577940, 4293528, 5366910, 7155880, 10733820, 21467640]

約数ペア:

[(1, 21467640), (2, 10733820), (3, 7155880), (4, 5366910), (5, 4293528), (6, 3577940), (8, 2683455), (10, 2146764), (12, 1788970), (15, 1431176), (20, 1073382), (24, 894485), (30, 715588), (40, 536691), (60, 357794), (120, 178897)]