21418488

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 72825480

約数和(自身を除く): 51406992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 117, 126, 147, 156, 168, 182, 196, 234, 252, 273, 294, 312, 364, 392, 441, 467, 468, 504, 546, 588, 637, 728, 819, 882, 934, 936, 1092, 1176, 1274, 1401, 1638, 1764, 1868, 1911, 2184, 2548, 2802, 3269, 3276, 3528, 3736, 3822, 4203, 5096, 5604, 5733, 6071, 6538, 6552, 7644, 8406, 9807, 11208, 11466, 12142, 13076, 15288, 16812, 18213, 19614, 22883, 22932, 24284, 26152, 29421, 33624, 36426, 39228, 42497, 45766, 45864, 48568, 54639, 58842, 68649, 72852, 78456, 84994, 91532, 109278, 117684, 127491, 137298, 145704, 169988, 183064, 205947, 218556, 235368, 254982, 274596, 297479, 339976, 382473, 411894, 437112, 509964, 549192, 594958, 764946, 823788, 892437, 1019928, 1189916, 1529892, 1647576, 1784874, 2379832, 2677311, 3059784, 3569748, 5354622, 7139496, 10709244, 21418488]

約数ペア:

[(1, 21418488), (2, 10709244), (3, 7139496), (4, 5354622), (6, 3569748), (7, 3059784), (8, 2677311), (9, 2379832), (12, 1784874), (13, 1647576), (14, 1529892), (18, 1189916), (21, 1019928), (24, 892437), (26, 823788), (28, 764946), (36, 594958), (39, 549192), (42, 509964), (49, 437112), (52, 411894), (56, 382473), (63, 339976), (72, 297479), (78, 274596), (84, 254982), (91, 235368), (98, 218556), (104, 205947), (117, 183064), (126, 169988), (147, 145704), (156, 137298), (168, 127491), (182, 117684), (196, 109278), (234, 91532), (252, 84994), (273, 78456), (294, 72852), (312, 68649), (364, 58842), (392, 54639), (441, 48568), (467, 45864), (468, 45766), (504, 42497), (546, 39228), (588, 36426), (637, 33624), (728, 29421), (819, 26152), (882, 24284), (934, 22932), (936, 22883), (1092, 19614), (1176, 18213), (1274, 16812), (1401, 15288), (1638, 13076), (1764, 12142), (1868, 11466), (1911, 11208), (2184, 9807), (2548, 8406), (2802, 7644), (3269, 6552), (3276, 6538), (3528, 6071), (3736, 5733), (3822, 5604), (4203, 5096)]