21560055

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3187}}^1$

素因数の和:3247

約数の個数: 32

約数和(自身を含む): 38562048

約数和(自身を除く): 17001993

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 3187, 6765, 9561, 15935, 35057, 47805, 105171, 130667, 175285, 392001, 525855, 653335, 1437337, 1960005, 4312011, 7186685, 21560055]

約数ペア:

[(1, 21560055), (3, 7186685), (5, 4312011), (11, 1960005), (15, 1437337), (33, 653335), (41, 525855), (55, 392001), (123, 175285), (165, 130667), (205, 105171), (451, 47805), (615, 35057), (1353, 15935), (2255, 9561), (3187, 6765)]