21244356

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 240

約数和(自身を含む): 73180800

約数和(自身を除く): 51936444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 27, 28, 29, 34, 36, 38, 42, 51, 54, 57, 58, 63, 68, 76, 81, 84, 87, 102, 108, 114, 116, 119, 126, 133, 153, 162, 171, 174, 189, 203, 204, 228, 238, 252, 261, 266, 306, 323, 324, 342, 348, 357, 378, 399, 406, 459, 476, 493, 513, 522, 532, 551, 567, 609, 612, 646, 684, 714, 756, 783, 798, 812, 918, 969, 986, 1026, 1044, 1071, 1102, 1134, 1197, 1218, 1292, 1377, 1428, 1479, 1539, 1566, 1596, 1653, 1827, 1836, 1938, 1972, 2052, 2142, 2204, 2261, 2268, 2349, 2394, 2436, 2754, 2907, 2958, 3078, 3132, 3213, 3306, 3451, 3591, 3654, 3857, 3876, 4284, 4437, 4522, 4698, 4788, 4959, 5481, 5508, 5814, 5916, 6156, 6426, 6612, 6783, 6902, 7182, 7308, 7714, 8721, 8874, 9044, 9367, 9396, 9639, 9918, 10353, 10773, 10962, 11571, 11628, 12852, 13311, 13566, 13804, 14364, 14877, 15428, 16443, 17442, 17748, 18734, 19278, 19836, 20349, 20706, 21546, 21924, 23142, 26163, 26622, 27132, 28101, 29754, 31059, 32886, 34713, 34884, 37468, 38556, 39933, 40698, 41412, 43092, 44631, 46284, 52326, 53244, 56202, 59508, 61047, 62118, 65569, 65772, 69426, 79866, 81396, 84303, 89262, 93177, 104139, 104652, 112404, 122094, 124236, 131138, 138852, 159732, 168606, 178524, 183141, 186354, 196707, 208278, 244188, 252909, 262276, 279531, 312417, 337212, 366282, 372708, 393414, 416556, 505818, 559062, 590121, 624834, 732564, 758727, 786828, 1011636, 1118124, 1180242, 1249668, 1517454, 1770363, 2360484, 3034908, 3540726, 5311089, 7081452, 10622178, 21244356]

約数ペア:

[(1, 21244356), (2, 10622178), (3, 7081452), (4, 5311089), (6, 3540726), (7, 3034908), (9, 2360484), (12, 1770363), (14, 1517454), (17, 1249668), (18, 1180242), (19, 1118124), (21, 1011636), (27, 786828), (28, 758727), (29, 732564), (34, 624834), (36, 590121), (38, 559062), (42, 505818), (51, 416556), (54, 393414), (57, 372708), (58, 366282), (63, 337212), (68, 312417), (76, 279531), (81, 262276), (84, 252909), (87, 244188), (102, 208278), (108, 196707), (114, 186354), (116, 183141), (119, 178524), (126, 168606), (133, 159732), (153, 138852), (162, 131138), (171, 124236), (174, 122094), (189, 112404), (203, 104652), (204, 104139), (228, 93177), (238, 89262), (252, 84303), (261, 81396), (266, 79866), (306, 69426), (323, 65772), (324, 65569), (342, 62118), (348, 61047), (357, 59508), (378, 56202), (399, 53244), (406, 52326), (459, 46284), (476, 44631), (493, 43092), (513, 41412), (522, 40698), (532, 39933), (551, 38556), (567, 37468), (609, 34884), (612, 34713), (646, 32886), (684, 31059), (714, 29754), (756, 28101), (783, 27132), (798, 26622), (812, 26163), (918, 23142), (969, 21924), (986, 21546), (1026, 20706), (1044, 20349), (1071, 19836), (1102, 19278), (1134, 18734), (1197, 17748), (1218, 17442), (1292, 16443), (1377, 15428), (1428, 14877), (1479, 14364), (1539, 13804), (1566, 13566), (1596, 13311), (1653, 12852), (1827, 11628), (1836, 11571), (1938, 10962), (1972, 10773), (2052, 10353), (2142, 9918), (2204, 9639), (2261, 9396), (2268, 9367), (2349, 9044), (2394, 8874), (2436, 8721), (2754, 7714), (2907, 7308), (2958, 7182), (3078, 6902), (3132, 6783), (3213, 6612), (3306, 6426), (3451, 6156), (3591, 5916), (3654, 5814), (3857, 5508), (3876, 5481), (4284, 4959), (4437, 4788), (4522, 4698)]