21436686

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 27729522

約数列:

[1, 2, 3, 6, 9, 18, 31, 41, 62, 82, 93, 123, 186, 246, 279, 369, 558, 738, 937, 1271, 1874, 2542, 2811, 3813, 5622, 7626, 8433, 11439, 16866, 22878, 29047, 38417, 58094, 76834, 87141, 115251, 174282, 230502, 261423, 345753, 522846, 691506, 1190927, 2381854, 3572781, 7145562, 10718343, 21436686]

約数ペア:

[(1, 21436686), (2, 10718343), (3, 7145562), (6, 3572781), (9, 2381854), (18, 1190927), (31, 691506), (41, 522846), (62, 345753), (82, 261423), (93, 230502), (123, 174282), (186, 115251), (246, 87141), (279, 76834), (369, 58094), (558, 38417), (738, 29047), (937, 22878), (1271, 16866), (1874, 11439), (2542, 8433), (2811, 7626), (3813, 5622)]