21128184

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 73981440

約数和(自身を除く): 52853256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 37, 42, 44, 56, 63, 66, 72, 74, 77, 84, 88, 99, 103, 111, 126, 132, 148, 154, 168, 198, 206, 222, 231, 252, 259, 264, 296, 308, 309, 333, 396, 407, 412, 444, 462, 504, 518, 616, 618, 666, 693, 721, 777, 792, 814, 824, 888, 924, 927, 1036, 1133, 1221, 1236, 1332, 1386, 1442, 1554, 1628, 1848, 1854, 2072, 2163, 2266, 2331, 2442, 2472, 2664, 2772, 2849, 2884, 3108, 3256, 3399, 3663, 3708, 3811, 4326, 4532, 4662, 4884, 5544, 5698, 5768, 6216, 6489, 6798, 7326, 7416, 7622, 7931, 8547, 8652, 9064, 9324, 9768, 10197, 11396, 11433, 12978, 13596, 14652, 15244, 15862, 17094, 17304, 18648, 20394, 22792, 22866, 23793, 25641, 25956, 26677, 27192, 29304, 30488, 31724, 34188, 34299, 40788, 41921, 45732, 47586, 51282, 51912, 53354, 63448, 68376, 68598, 71379, 80031, 81576, 83842, 91464, 95172, 102564, 106708, 125763, 137196, 142758, 160062, 167684, 190344, 205128, 213416, 240093, 251526, 274392, 285516, 293447, 320124, 335368, 377289, 480186, 503052, 571032, 586894, 640248, 754578, 880341, 960372, 1006104, 1173788, 1509156, 1760682, 1920744, 2347576, 2641023, 3018312, 3521364, 5282046, 7042728, 10564092, 21128184]

約数ペア:

[(1, 21128184), (2, 10564092), (3, 7042728), (4, 5282046), (6, 3521364), (7, 3018312), (8, 2641023), (9, 2347576), (11, 1920744), (12, 1760682), (14, 1509156), (18, 1173788), (21, 1006104), (22, 960372), (24, 880341), (28, 754578), (33, 640248), (36, 586894), (37, 571032), (42, 503052), (44, 480186), (56, 377289), (63, 335368), (66, 320124), (72, 293447), (74, 285516), (77, 274392), (84, 251526), (88, 240093), (99, 213416), (103, 205128), (111, 190344), (126, 167684), (132, 160062), (148, 142758), (154, 137196), (168, 125763), (198, 106708), (206, 102564), (222, 95172), (231, 91464), (252, 83842), (259, 81576), (264, 80031), (296, 71379), (308, 68598), (309, 68376), (333, 63448), (396, 53354), (407, 51912), (412, 51282), (444, 47586), (462, 45732), (504, 41921), (518, 40788), (616, 34299), (618, 34188), (666, 31724), (693, 30488), (721, 29304), (777, 27192), (792, 26677), (814, 25956), (824, 25641), (888, 23793), (924, 22866), (927, 22792), (1036, 20394), (1133, 18648), (1221, 17304), (1236, 17094), (1332, 15862), (1386, 15244), (1442, 14652), (1554, 13596), (1628, 12978), (1848, 11433), (1854, 11396), (2072, 10197), (2163, 9768), (2266, 9324), (2331, 9064), (2442, 8652), (2472, 8547), (2664, 7931), (2772, 7622), (2849, 7416), (2884, 7326), (3108, 6798), (3256, 6489), (3399, 6216), (3663, 5768), (3708, 5698), (3811, 5544), (4326, 4884), (4532, 4662)]