21147048

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:488

約数の個数: 128

約数和(自身を含む): 67132800

約数和(自身を除く): 45985752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 27, 34, 36, 39, 51, 52, 54, 68, 72, 78, 102, 104, 108, 117, 136, 153, 156, 204, 216, 221, 234, 306, 312, 351, 408, 442, 443, 459, 468, 612, 663, 702, 884, 886, 918, 936, 1224, 1326, 1329, 1404, 1768, 1772, 1836, 1989, 2652, 2658, 2808, 3544, 3672, 3978, 3987, 5304, 5316, 5759, 5967, 7531, 7956, 7974, 10632, 11518, 11934, 11961, 15062, 15912, 15948, 17277, 22593, 23036, 23868, 23922, 30124, 31896, 34554, 45186, 46072, 47736, 47844, 51831, 60248, 67779, 69108, 90372, 95688, 97903, 103662, 135558, 138216, 155493, 180744, 195806, 203337, 207324, 271116, 293709, 310986, 391612, 406674, 414648, 542232, 587418, 621972, 783224, 813348, 881127, 1174836, 1243944, 1626696, 1762254, 2349672, 2643381, 3524508, 5286762, 7049016, 10573524, 21147048]

約数ペア:

[(1, 21147048), (2, 10573524), (3, 7049016), (4, 5286762), (6, 3524508), (8, 2643381), (9, 2349672), (12, 1762254), (13, 1626696), (17, 1243944), (18, 1174836), (24, 881127), (26, 813348), (27, 783224), (34, 621972), (36, 587418), (39, 542232), (51, 414648), (52, 406674), (54, 391612), (68, 310986), (72, 293709), (78, 271116), (102, 207324), (104, 203337), (108, 195806), (117, 180744), (136, 155493), (153, 138216), (156, 135558), (204, 103662), (216, 97903), (221, 95688), (234, 90372), (306, 69108), (312, 67779), (351, 60248), (408, 51831), (442, 47844), (443, 47736), (459, 46072), (468, 45186), (612, 34554), (663, 31896), (702, 30124), (884, 23922), (886, 23868), (918, 23036), (936, 22593), (1224, 17277), (1326, 15948), (1329, 15912), (1404, 15062), (1768, 11961), (1772, 11934), (1836, 11518), (1989, 10632), (2652, 7974), (2658, 7956), (2808, 7531), (3544, 5967), (3672, 5759), (3978, 5316), (3987, 5304)]