21597366

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4049}}^1$

素因数の和:4188

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 28169034

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 4049, 5334, 8098, 12147, 24294, 28343, 56686, 85029, 170058, 514223, 1028446, 1542669, 3085338, 3599561, 7199122, 10798683, 21597366]

約数ペア:

[(1, 21597366), (2, 10798683), (3, 7199122), (6, 3599561), (7, 3085338), (14, 1542669), (21, 1028446), (42, 514223), (127, 170058), (254, 85029), (381, 56686), (762, 28343), (889, 24294), (1778, 12147), (2667, 8098), (4049, 5334)]