21389616

素因数分解:

$2^4\times 3^3\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:823

約数の個数: 80

約数和(自身を含む): 62396800

約数和(自身を除く): 41007184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 67, 72, 108, 134, 144, 201, 216, 268, 402, 432, 536, 603, 739, 804, 1072, 1206, 1478, 1608, 1809, 2217, 2412, 2956, 3216, 3618, 4434, 4824, 5912, 6651, 7236, 8868, 9648, 11824, 13302, 14472, 17736, 19953, 26604, 28944, 35472, 39906, 49513, 53208, 79812, 99026, 106416, 148539, 159624, 198052, 297078, 319248, 396104, 445617, 594156, 792208, 891234, 1188312, 1336851, 1782468, 2376624, 2673702, 3564936, 5347404, 7129872, 10694808, 21389616]

約数ペア:

[(1, 21389616), (2, 10694808), (3, 7129872), (4, 5347404), (6, 3564936), (8, 2673702), (9, 2376624), (12, 1782468), (16, 1336851), (18, 1188312), (24, 891234), (27, 792208), (36, 594156), (48, 445617), (54, 396104), (67, 319248), (72, 297078), (108, 198052), (134, 159624), (144, 148539), (201, 106416), (216, 99026), (268, 79812), (402, 53208), (432, 49513), (536, 39906), (603, 35472), (739, 28944), (804, 26604), (1072, 19953), (1206, 17736), (1478, 14472), (1608, 13302), (1809, 11824), (2217, 9648), (2412, 8868), (2956, 7236), (3216, 6651), (3618, 5912), (4434, 4824)]