21297588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136523}}^1$

素因数の和:136543

約数の個数: 24

約数和(自身を含む): 53517408

約数和(自身を除く): 32219820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136523, 273046, 409569, 546092, 819138, 1638276, 1774799, 3549598, 5324397, 7099196, 10648794, 21297588]

約数ペア:

[(1, 21297588), (2, 10648794), (3, 7099196), (4, 5324397), (6, 3549598), (12, 1774799), (13, 1638276), (26, 819138), (39, 546092), (52, 409569), (78, 273046), (156, 136523)]