21307776

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7927}}^1$

素因数の和:7951

約数の個数: 64

約数和(自身を含む): 64692480

約数和(自身を除く): 43384704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7927, 15854, 23781, 31708, 47562, 55489, 63416, 95124, 110978, 126832, 166467, 190248, 221956, 253664, 332934, 380496, 443912, 507328, 665868, 760992, 887824, 1014656, 1331736, 1521984, 1775648, 2663472, 3043968, 3551296, 5326944, 7102592, 10653888, 21307776]

約数ペア:

[(1, 21307776), (2, 10653888), (3, 7102592), (4, 5326944), (6, 3551296), (7, 3043968), (8, 2663472), (12, 1775648), (14, 1521984), (16, 1331736), (21, 1014656), (24, 887824), (28, 760992), (32, 665868), (42, 507328), (48, 443912), (56, 380496), (64, 332934), (84, 253664), (96, 221956), (112, 190248), (128, 166467), (168, 126832), (192, 110978), (224, 95124), (336, 63416), (384, 55489), (448, 47562), (672, 31708), (896, 23781), (1344, 15854), (2688, 7927)]