21132396

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4481}}^1$

素因数の和:4622

約数の個数: 36

約数和(自身を含む): 53837784

約数和(自身を除く): 32705388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4481, 4716, 8962, 13443, 17924, 26886, 40329, 53772, 80658, 161316, 587011, 1174022, 1761033, 2348044, 3522066, 5283099, 7044132, 10566198, 21132396]

約数ペア:

[(1, 21132396), (2, 10566198), (3, 7044132), (4, 5283099), (6, 3522066), (9, 2348044), (12, 1761033), (18, 1174022), (36, 587011), (131, 161316), (262, 80658), (393, 53772), (524, 40329), (786, 26886), (1179, 17924), (1572, 13443), (2358, 8962), (4481, 4716)]