21364128

素因数分解:

$2^5\times 3^3\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 63302400

約数和(自身を除く): 41938272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 79, 96, 108, 144, 158, 216, 237, 288, 313, 316, 432, 474, 626, 632, 711, 864, 939, 948, 1252, 1264, 1422, 1878, 1896, 2133, 2504, 2528, 2817, 2844, 3756, 3792, 4266, 5008, 5634, 5688, 7512, 7584, 8451, 8532, 10016, 11268, 11376, 15024, 16902, 17064, 22536, 22752, 24727, 30048, 33804, 34128, 45072, 49454, 67608, 68256, 74181, 90144, 98908, 135216, 148362, 197816, 222543, 270432, 296724, 395632, 445086, 593448, 667629, 791264, 890172, 1186896, 1335258, 1780344, 2373792, 2670516, 3560688, 5341032, 7121376, 10682064, 21364128]

約数ペア:

[(1, 21364128), (2, 10682064), (3, 7121376), (4, 5341032), (6, 3560688), (8, 2670516), (9, 2373792), (12, 1780344), (16, 1335258), (18, 1186896), (24, 890172), (27, 791264), (32, 667629), (36, 593448), (48, 445086), (54, 395632), (72, 296724), (79, 270432), (96, 222543), (108, 197816), (144, 148362), (158, 135216), (216, 98908), (237, 90144), (288, 74181), (313, 68256), (316, 67608), (432, 49454), (474, 45072), (626, 34128), (632, 33804), (711, 30048), (864, 24727), (939, 22752), (948, 22536), (1252, 17064), (1264, 16902), (1422, 15024), (1878, 11376), (1896, 11268), (2133, 10016), (2504, 8532), (2528, 8451), (2817, 7584), (2844, 7512), (3756, 5688), (3792, 5634), (4266, 5008)]