21244184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{569}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 43092000

約数和(自身を除く): 21847816

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 359, 569, 718, 1138, 1436, 2276, 2872, 4552, 4667, 7397, 9334, 14794, 18668, 29588, 37336, 59176, 204271, 408542, 817084, 1634168, 2655523, 5311046, 10622092, 21244184]

約数ペア:

[(1, 21244184), (2, 10622092), (4, 5311046), (8, 2655523), (13, 1634168), (26, 817084), (52, 408542), (104, 204271), (359, 59176), (569, 37336), (718, 29588), (1138, 18668), (1436, 14794), (2276, 9334), (2872, 7397), (4552, 4667)]