21791484

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 49332996

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 17, 18, 22, 26, 27, 33, 34, 36, 39, 44, 51, 52, 54, 66, 68, 78, 83, 99, 102, 108, 117, 132, 143, 153, 156, 166, 187, 198, 204, 221, 234, 249, 286, 297, 306, 332, 351, 374, 396, 429, 442, 459, 468, 498, 561, 572, 594, 612, 663, 702, 747, 748, 858, 884, 913, 918, 996, 1079, 1122, 1188, 1287, 1326, 1404, 1411, 1494, 1683, 1716, 1826, 1836, 1989, 2158, 2241, 2244, 2431, 2574, 2652, 2739, 2822, 2988, 3237, 3366, 3652, 3861, 3978, 4233, 4316, 4482, 4862, 5049, 5148, 5478, 5644, 5967, 6474, 6732, 7293, 7722, 7956, 8217, 8466, 8964, 9711, 9724, 10098, 10956, 11869, 11934, 12699, 12948, 14586, 15444, 15521, 16434, 16932, 18343, 19422, 20196, 21879, 23738, 23868, 24651, 25398, 29133, 29172, 31042, 32868, 35607, 36686, 38097, 38844, 43758, 46563, 47476, 49302, 50796, 55029, 58266, 62084, 65637, 71214, 73372, 76194, 87516, 93126, 98604, 106821, 110058, 116532, 131274, 139689, 142428, 152388, 165087, 186252, 201773, 213642, 220116, 262548, 279378, 320463, 330174, 403546, 419067, 427284, 495261, 558756, 605319, 640926, 660348, 807092, 838134, 990522, 1210638, 1281852, 1676268, 1815957, 1981044, 2421276, 3631914, 5447871, 7263828, 10895742, 21791484]

約数ペア:

[(1, 21791484), (2, 10895742), (3, 7263828), (4, 5447871), (6, 3631914), (9, 2421276), (11, 1981044), (12, 1815957), (13, 1676268), (17, 1281852), (18, 1210638), (22, 990522), (26, 838134), (27, 807092), (33, 660348), (34, 640926), (36, 605319), (39, 558756), (44, 495261), (51, 427284), (52, 419067), (54, 403546), (66, 330174), (68, 320463), (78, 279378), (83, 262548), (99, 220116), (102, 213642), (108, 201773), (117, 186252), (132, 165087), (143, 152388), (153, 142428), (156, 139689), (166, 131274), (187, 116532), (198, 110058), (204, 106821), (221, 98604), (234, 93126), (249, 87516), (286, 76194), (297, 73372), (306, 71214), (332, 65637), (351, 62084), (374, 58266), (396, 55029), (429, 50796), (442, 49302), (459, 47476), (468, 46563), (498, 43758), (561, 38844), (572, 38097), (594, 36686), (612, 35607), (663, 32868), (702, 31042), (747, 29172), (748, 29133), (858, 25398), (884, 24651), (913, 23868), (918, 23738), (996, 21879), (1079, 20196), (1122, 19422), (1188, 18343), (1287, 16932), (1326, 16434), (1404, 15521), (1411, 15444), (1494, 14586), (1683, 12948), (1716, 12699), (1826, 11934), (1836, 11869), (1989, 10956), (2158, 10098), (2241, 9724), (2244, 9711), (2431, 8964), (2574, 8466), (2652, 8217), (2739, 7956), (2822, 7722), (2988, 7293), (3237, 6732), (3366, 6474), (3652, 5967), (3861, 5644), (3978, 5478), (4233, 5148), (4316, 5049), (4482, 4862)]