21377844

素因数分解:

$2^2\times 3^4\times {\mathrm{65981}}^1$

素因数の和:65997

約数の個数: 30

約数和(自身を含む): 55886754

約数和(自身を除く): 34508910

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65981, 131962, 197943, 263924, 395886, 593829, 791772, 1187658, 1781487, 2375316, 3562974, 5344461, 7125948, 10688922, 21377844]

約数ペア:

[(1, 21377844), (2, 10688922), (3, 7125948), (4, 5344461), (6, 3562974), (9, 2375316), (12, 1781487), (18, 1187658), (27, 791772), (36, 593829), (54, 395886), (81, 263924), (108, 197943), (162, 131962), (324, 65981)]