21151548

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1775

約数の個数: 72

約数和(自身を含む): 60243456

約数和(自身を除く): 39091908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 124, 132, 186, 198, 279, 341, 372, 396, 558, 682, 1023, 1116, 1364, 1723, 2046, 3069, 3446, 4092, 5169, 6138, 6892, 10338, 12276, 15507, 18953, 20676, 31014, 37906, 53413, 56859, 62028, 75812, 106826, 113718, 160239, 170577, 213652, 227436, 320478, 341154, 480717, 587543, 640956, 682308, 961434, 1175086, 1762629, 1922868, 2350172, 3525258, 5287887, 7050516, 10575774, 21151548]

約数ペア:

[(1, 21151548), (2, 10575774), (3, 7050516), (4, 5287887), (6, 3525258), (9, 2350172), (11, 1922868), (12, 1762629), (18, 1175086), (22, 961434), (31, 682308), (33, 640956), (36, 587543), (44, 480717), (62, 341154), (66, 320478), (93, 227436), (99, 213652), (124, 170577), (132, 160239), (186, 113718), (198, 106826), (279, 75812), (341, 62028), (372, 56859), (396, 53413), (558, 37906), (682, 31014), (1023, 20676), (1116, 18953), (1364, 15507), (1723, 12276), (2046, 10338), (3069, 6892), (3446, 6138), (4092, 5169)]