21486276

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 64538880

約数和(自身を除く): 43052604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 97, 108, 126, 189, 194, 252, 291, 293, 378, 388, 582, 586, 679, 756, 873, 879, 1164, 1172, 1358, 1746, 1758, 2037, 2051, 2619, 2637, 2716, 3492, 3516, 4074, 4102, 5238, 5274, 6111, 6153, 7911, 8148, 8204, 10476, 10548, 12222, 12306, 15822, 18333, 18459, 24444, 24612, 28421, 31644, 36666, 36918, 55377, 56842, 73332, 73836, 85263, 110754, 113684, 170526, 198947, 221508, 255789, 341052, 397894, 511578, 596841, 767367, 795788, 1023156, 1193682, 1534734, 1790523, 2387364, 3069468, 3581046, 5371569, 7162092, 10743138, 21486276]

約数ペア:

[(1, 21486276), (2, 10743138), (3, 7162092), (4, 5371569), (6, 3581046), (7, 3069468), (9, 2387364), (12, 1790523), (14, 1534734), (18, 1193682), (21, 1023156), (27, 795788), (28, 767367), (36, 596841), (42, 511578), (54, 397894), (63, 341052), (84, 255789), (97, 221508), (108, 198947), (126, 170526), (189, 113684), (194, 110754), (252, 85263), (291, 73836), (293, 73332), (378, 56842), (388, 55377), (582, 36918), (586, 36666), (679, 31644), (756, 28421), (873, 24612), (879, 24444), (1164, 18459), (1172, 18333), (1358, 15822), (1746, 12306), (1758, 12222), (2037, 10548), (2051, 10476), (2619, 8204), (2637, 8148), (2716, 7911), (3492, 6153), (3516, 6111), (4074, 5274), (4102, 5238)]