21294828

素因数分解:

$2^2\times 3^2\times {\mathrm{591523}}^1$

素因数の和:591533

約数の個数: 18

約数和(自身を含む): 53828684

約数和(自身を除く): 32533856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591523, 1183046, 1774569, 2366092, 3549138, 5323707, 7098276, 10647414, 21294828]

約数ペア:

[(1, 21294828), (2, 10647414), (3, 7098276), (4, 5323707), (6, 3549138), (9, 2366092), (12, 1774569), (18, 1183046), (36, 591523)]