21206304

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 70394688

約数和(自身を除く): 49188384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 67, 72, 84, 96, 112, 126, 134, 144, 157, 168, 201, 224, 252, 268, 288, 314, 336, 402, 469, 471, 504, 536, 603, 628, 672, 804, 938, 942, 1008, 1072, 1099, 1206, 1256, 1407, 1413, 1608, 1876, 1884, 2016, 2144, 2198, 2412, 2512, 2814, 2826, 3216, 3297, 3752, 3768, 4221, 4396, 4824, 5024, 5628, 5652, 6432, 6594, 7504, 7536, 8442, 8792, 9648, 9891, 10519, 11256, 11304, 13188, 15008, 15072, 16884, 17584, 19296, 19782, 21038, 22512, 22608, 26376, 31557, 33768, 35168, 39564, 42076, 45024, 45216, 52752, 63114, 67536, 73633, 79128, 84152, 94671, 105504, 126228, 135072, 147266, 158256, 168304, 189342, 220899, 252456, 294532, 316512, 336608, 378684, 441798, 504912, 589064, 662697, 757368, 883596, 1009824, 1178128, 1325394, 1514736, 1767192, 2356256, 2650788, 3029472, 3534384, 5301576, 7068768, 10603152, 21206304]

約数ペア:

[(1, 21206304), (2, 10603152), (3, 7068768), (4, 5301576), (6, 3534384), (7, 3029472), (8, 2650788), (9, 2356256), (12, 1767192), (14, 1514736), (16, 1325394), (18, 1178128), (21, 1009824), (24, 883596), (28, 757368), (32, 662697), (36, 589064), (42, 504912), (48, 441798), (56, 378684), (63, 336608), (67, 316512), (72, 294532), (84, 252456), (96, 220899), (112, 189342), (126, 168304), (134, 158256), (144, 147266), (157, 135072), (168, 126228), (201, 105504), (224, 94671), (252, 84152), (268, 79128), (288, 73633), (314, 67536), (336, 63114), (402, 52752), (469, 45216), (471, 45024), (504, 42076), (536, 39564), (603, 35168), (628, 33768), (672, 31557), (804, 26376), (938, 22608), (942, 22512), (1008, 21038), (1072, 19782), (1099, 19296), (1206, 17584), (1256, 16884), (1407, 15072), (1413, 15008), (1608, 13188), (1876, 11304), (1884, 11256), (2016, 10519), (2144, 9891), (2198, 9648), (2412, 8792), (2512, 8442), (2814, 7536), (2826, 7504), (3216, 6594), (3297, 6432), (3752, 5652), (3768, 5628), (4221, 5024), (4396, 4824)]