21461328

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 160

約数和(自身を含む): 72376320

約数和(自身を除く): 50914992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 47, 48, 54, 56, 63, 72, 84, 94, 108, 112, 126, 141, 144, 151, 168, 188, 189, 216, 252, 282, 302, 329, 336, 376, 378, 423, 432, 453, 504, 564, 604, 658, 752, 756, 846, 906, 987, 1008, 1057, 1128, 1208, 1269, 1316, 1359, 1512, 1692, 1812, 1974, 2114, 2256, 2416, 2538, 2632, 2718, 2961, 3024, 3171, 3384, 3624, 3948, 4077, 4228, 5076, 5264, 5436, 5922, 6342, 6768, 7097, 7248, 7896, 8154, 8456, 8883, 9513, 10152, 10872, 11844, 12684, 14194, 15792, 16308, 16912, 17766, 19026, 20304, 21291, 21744, 23688, 25368, 28388, 28539, 32616, 35532, 38052, 42582, 47376, 49679, 50736, 56776, 57078, 63873, 65232, 71064, 76104, 85164, 99358, 113552, 114156, 127746, 142128, 149037, 152208, 170328, 191619, 198716, 228312, 255492, 298074, 340656, 383238, 397432, 447111, 456624, 510984, 596148, 766476, 794864, 894222, 1021968, 1192296, 1341333, 1532952, 1788444, 2384592, 2682666, 3065904, 3576888, 5365332, 7153776, 10730664, 21461328]

約数ペア:

[(1, 21461328), (2, 10730664), (3, 7153776), (4, 5365332), (6, 3576888), (7, 3065904), (8, 2682666), (9, 2384592), (12, 1788444), (14, 1532952), (16, 1341333), (18, 1192296), (21, 1021968), (24, 894222), (27, 794864), (28, 766476), (36, 596148), (42, 510984), (47, 456624), (48, 447111), (54, 397432), (56, 383238), (63, 340656), (72, 298074), (84, 255492), (94, 228312), (108, 198716), (112, 191619), (126, 170328), (141, 152208), (144, 149037), (151, 142128), (168, 127746), (188, 114156), (189, 113552), (216, 99358), (252, 85164), (282, 76104), (302, 71064), (329, 65232), (336, 63873), (376, 57078), (378, 56776), (423, 50736), (432, 49679), (453, 47376), (504, 42582), (564, 38052), (604, 35532), (658, 32616), (752, 28539), (756, 28388), (846, 25368), (906, 23688), (987, 21744), (1008, 21291), (1057, 20304), (1128, 19026), (1208, 17766), (1269, 16912), (1316, 16308), (1359, 15792), (1512, 14194), (1692, 12684), (1812, 11844), (1974, 10872), (2114, 10152), (2256, 9513), (2416, 8883), (2538, 8456), (2632, 8154), (2718, 7896), (2961, 7248), (3024, 7097), (3171, 6768), (3384, 6342), (3624, 5922), (3948, 5436), (4077, 5264), (4228, 5076)]