21360864

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:285

約数の個数: 144

約数和(自身を含む): 68947200

約数和(自身を除く): 47586336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 76, 84, 96, 98, 112, 114, 133, 147, 152, 168, 196, 224, 228, 239, 266, 294, 304, 336, 392, 399, 456, 478, 532, 588, 608, 672, 717, 784, 798, 912, 931, 956, 1064, 1176, 1434, 1568, 1596, 1673, 1824, 1862, 1912, 2128, 2352, 2793, 2868, 3192, 3346, 3724, 3824, 4256, 4541, 4704, 5019, 5586, 5736, 6384, 6692, 7448, 7648, 9082, 10038, 11172, 11472, 11711, 12768, 13384, 13623, 14896, 18164, 20076, 22344, 22944, 23422, 26768, 27246, 29792, 31787, 35133, 36328, 40152, 44688, 46844, 53536, 54492, 63574, 70266, 72656, 80304, 89376, 93688, 95361, 108984, 127148, 140532, 145312, 160608, 187376, 190722, 217968, 222509, 254296, 281064, 374752, 381444, 435936, 445018, 508592, 562128, 667527, 762888, 890036, 1017184, 1124256, 1335054, 1525776, 1780072, 2670108, 3051552, 3560144, 5340216, 7120288, 10680432, 21360864]

約数ペア:

[(1, 21360864), (2, 10680432), (3, 7120288), (4, 5340216), (6, 3560144), (7, 3051552), (8, 2670108), (12, 1780072), (14, 1525776), (16, 1335054), (19, 1124256), (21, 1017184), (24, 890036), (28, 762888), (32, 667527), (38, 562128), (42, 508592), (48, 445018), (49, 435936), (56, 381444), (57, 374752), (76, 281064), (84, 254296), (96, 222509), (98, 217968), (112, 190722), (114, 187376), (133, 160608), (147, 145312), (152, 140532), (168, 127148), (196, 108984), (224, 95361), (228, 93688), (239, 89376), (266, 80304), (294, 72656), (304, 70266), (336, 63574), (392, 54492), (399, 53536), (456, 46844), (478, 44688), (532, 40152), (588, 36328), (608, 35133), (672, 31787), (717, 29792), (784, 27246), (798, 26768), (912, 23422), (931, 22944), (956, 22344), (1064, 20076), (1176, 18164), (1434, 14896), (1568, 13623), (1596, 13384), (1673, 12768), (1824, 11711), (1862, 11472), (1912, 11172), (2128, 10038), (2352, 9082), (2793, 7648), (2868, 7448), (3192, 6692), (3346, 6384), (3724, 5736), (3824, 5586), (4256, 5019), (4541, 4704)]