21202264

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 23587496

約数列:

[1, 2, 4, 8, 17, 31, 34, 47, 62, 68, 94, 107, 124, 136, 188, 214, 248, 376, 428, 527, 799, 856, 1054, 1457, 1598, 1819, 2108, 2914, 3196, 3317, 3638, 4216, 5029, 5828, 6392, 6634, 7276, 10058, 11656, 13268, 14552, 20116, 24769, 26536, 40232, 49538, 56389, 85493, 99076, 112778, 155899, 170986, 198152, 225556, 311798, 341972, 451112, 623596, 683944, 1247192, 2650283, 5300566, 10601132, 21202264]

約数ペア:

[(1, 21202264), (2, 10601132), (4, 5300566), (8, 2650283), (17, 1247192), (31, 683944), (34, 623596), (47, 451112), (62, 341972), (68, 311798), (94, 225556), (107, 198152), (124, 170986), (136, 155899), (188, 112778), (214, 99076), (248, 85493), (376, 56389), (428, 49538), (527, 40232), (799, 26536), (856, 24769), (1054, 20116), (1457, 14552), (1598, 13268), (1819, 11656), (2108, 10058), (2914, 7276), (3196, 6634), (3317, 6392), (3638, 5828), (4216, 5029)]