21909024

素因数分解:

$2^5\times 3^2\times {\mathrm{127}}^1\times {\mathrm{599}}^1$

素因数の和:742

約数の個数: 72

約数和(自身を含む): 62899200

約数和(自身を除く): 40990176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 127, 144, 254, 288, 381, 508, 599, 762, 1016, 1143, 1198, 1524, 1797, 2032, 2286, 2396, 3048, 3594, 4064, 4572, 4792, 5391, 6096, 7188, 9144, 9584, 10782, 12192, 14376, 18288, 19168, 21564, 28752, 36576, 43128, 57504, 76073, 86256, 152146, 172512, 228219, 304292, 456438, 608584, 684657, 912876, 1217168, 1369314, 1825752, 2434336, 2738628, 3651504, 5477256, 7303008, 10954512, 21909024]

約数ペア:

[(1, 21909024), (2, 10954512), (3, 7303008), (4, 5477256), (6, 3651504), (8, 2738628), (9, 2434336), (12, 1825752), (16, 1369314), (18, 1217168), (24, 912876), (32, 684657), (36, 608584), (48, 456438), (72, 304292), (96, 228219), (127, 172512), (144, 152146), (254, 86256), (288, 76073), (381, 57504), (508, 43128), (599, 36576), (762, 28752), (1016, 21564), (1143, 19168), (1198, 18288), (1524, 14376), (1797, 12192), (2032, 10782), (2286, 9584), (2396, 9144), (3048, 7188), (3594, 6096), (4064, 5391), (4572, 4792)]