21824559

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 35817600

約数和(自身を除く): 13993041

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 163, 171, 243, 261, 489, 513, 551, 783, 1467, 1539, 1653, 2349, 3097, 4401, 4617, 4727, 4959, 7047, 9291, 13203, 14181, 14877, 27873, 39609, 42543, 44631, 83619, 89813, 127629, 133893, 250857, 269439, 382887, 752571, 808317, 1148661, 2424951, 7274853, 21824559]

約数ペア:

[(1, 21824559), (3, 7274853), (9, 2424951), (19, 1148661), (27, 808317), (29, 752571), (57, 382887), (81, 269439), (87, 250857), (163, 133893), (171, 127629), (243, 89813), (261, 83619), (489, 44631), (513, 42543), (551, 39609), (783, 27873), (1467, 14877), (1539, 14181), (1653, 13203), (2349, 9291), (3097, 7047), (4401, 4959), (4617, 4727)]