21054264

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11393}}^1$

素因数の和:11420

約数の個数: 64

約数和(自身を含む): 65629440

約数和(自身を除く): 44575176

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11393, 22786, 34179, 45572, 68358, 79751, 91144, 125323, 136716, 159502, 239253, 250646, 273432, 319004, 375969, 478506, 501292, 638008, 751938, 877261, 957012, 1002584, 1503876, 1754522, 1914024, 2631783, 3007752, 3509044, 5263566, 7018088, 10527132, 21054264]

約数ペア:

[(1, 21054264), (2, 10527132), (3, 7018088), (4, 5263566), (6, 3509044), (7, 3007752), (8, 2631783), (11, 1914024), (12, 1754522), (14, 1503876), (21, 1002584), (22, 957012), (24, 877261), (28, 751938), (33, 638008), (42, 501292), (44, 478506), (56, 375969), (66, 319004), (77, 273432), (84, 250646), (88, 239253), (132, 159502), (154, 136716), (168, 125323), (231, 91144), (264, 79751), (308, 68358), (462, 45572), (616, 34179), (924, 22786), (1848, 11393)]