21483954

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 80

約数和(自身を含む): 52925400

約数和(自身を除く): 31441446

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 51, 54, 58, 81, 87, 102, 153, 162, 174, 261, 269, 306, 459, 493, 522, 538, 783, 807, 918, 986, 1377, 1479, 1566, 1614, 2349, 2421, 2754, 2958, 4437, 4573, 4698, 4842, 7263, 7801, 8874, 9146, 13311, 13719, 14526, 15602, 21789, 23403, 26622, 27438, 39933, 41157, 43578, 46806, 70209, 79866, 82314, 123471, 132617, 140418, 210627, 246942, 265234, 370413, 397851, 421254, 631881, 740826, 795702, 1193553, 1263762, 2387106, 3580659, 7161318, 10741977, 21483954]

約数ペア:

[(1, 21483954), (2, 10741977), (3, 7161318), (6, 3580659), (9, 2387106), (17, 1263762), (18, 1193553), (27, 795702), (29, 740826), (34, 631881), (51, 421254), (54, 397851), (58, 370413), (81, 265234), (87, 246942), (102, 210627), (153, 140418), (162, 132617), (174, 123471), (261, 82314), (269, 79866), (306, 70209), (459, 46806), (493, 43578), (522, 41157), (538, 39933), (783, 27438), (807, 26622), (918, 23403), (986, 21789), (1377, 15602), (1479, 14526), (1566, 13719), (1614, 13311), (2349, 9146), (2421, 8874), (2754, 7801), (2958, 7263), (4437, 4842), (4573, 4698)]