21549024

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{509}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 73256400

約数和(自身を除く): 51707376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 504, 509, 588, 672, 756, 784, 864, 882, 1008, 1018, 1176, 1323, 1512, 1527, 1568, 1764, 2016, 2036, 2352, 2646, 3024, 3054, 3528, 3563, 4072, 4581, 4704, 5292, 6048, 6108, 7056, 7126, 8144, 9162, 10584, 10689, 12216, 13743, 14112, 14252, 16288, 18324, 21168, 21378, 24432, 24941, 27486, 28504, 32067, 36648, 42336, 42756, 48864, 49882, 54972, 57008, 64134, 73296, 74823, 85512, 96201, 99764, 109944, 114016, 128268, 146592, 149646, 171024, 192402, 199528, 219888, 224469, 256536, 299292, 342048, 384804, 399056, 439776, 448938, 513072, 598584, 673407, 769608, 798112, 897876, 1026144, 1197168, 1346814, 1539216, 1795752, 2394336, 2693628, 3078432, 3591504, 5387256, 7183008, 10774512, 21549024]

約数ペア:

[(1, 21549024), (2, 10774512), (3, 7183008), (4, 5387256), (6, 3591504), (7, 3078432), (8, 2693628), (9, 2394336), (12, 1795752), (14, 1539216), (16, 1346814), (18, 1197168), (21, 1026144), (24, 897876), (27, 798112), (28, 769608), (32, 673407), (36, 598584), (42, 513072), (48, 448938), (49, 439776), (54, 399056), (56, 384804), (63, 342048), (72, 299292), (84, 256536), (96, 224469), (98, 219888), (108, 199528), (112, 192402), (126, 171024), (144, 149646), (147, 146592), (168, 128268), (189, 114016), (196, 109944), (216, 99764), (224, 96201), (252, 85512), (288, 74823), (294, 73296), (336, 64134), (378, 57008), (392, 54972), (432, 49882), (441, 48864), (504, 42756), (509, 42336), (588, 36648), (672, 32067), (756, 28504), (784, 27486), (864, 24941), (882, 24432), (1008, 21378), (1018, 21168), (1176, 18324), (1323, 16288), (1512, 14252), (1527, 14112), (1568, 13743), (1764, 12216), (2016, 10689), (2036, 10584), (2352, 9162), (2646, 8144), (3024, 7126), (3054, 7056), (3528, 6108), (3563, 6048), (4072, 5292), (4581, 4704)]