21581952

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 192

約数和(自身を含む): 70698240

約数和(自身を除く): 49116288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 37, 42, 48, 49, 56, 62, 64, 74, 84, 93, 96, 98, 111, 112, 124, 128, 147, 148, 168, 186, 192, 196, 217, 222, 224, 248, 259, 294, 296, 336, 372, 384, 392, 434, 444, 448, 496, 518, 588, 592, 651, 672, 744, 777, 784, 868, 888, 896, 992, 1036, 1147, 1176, 1184, 1302, 1344, 1488, 1519, 1554, 1568, 1736, 1776, 1813, 1984, 2072, 2294, 2352, 2368, 2604, 2688, 2976, 3038, 3108, 3136, 3441, 3472, 3552, 3626, 3968, 4144, 4557, 4588, 4704, 4736, 5208, 5439, 5952, 6076, 6216, 6272, 6882, 6944, 7104, 7252, 8029, 8288, 9114, 9176, 9408, 10416, 10878, 11904, 12152, 12432, 13764, 13888, 14208, 14504, 16058, 16576, 18228, 18352, 18816, 20832, 21756, 24087, 24304, 24864, 27528, 27776, 29008, 32116, 33152, 36456, 36704, 41664, 43512, 48174, 48608, 49728, 55056, 56203, 58016, 64232, 72912, 73408, 83328, 87024, 96348, 97216, 99456, 110112, 112406, 116032, 128464, 145824, 146816, 168609, 174048, 192696, 194432, 220224, 224812, 232064, 256928, 291648, 337218, 348096, 385392, 440448, 449624, 513856, 583296, 674436, 696192, 770784, 899248, 1027712, 1348872, 1541568, 1798496, 2697744, 3083136, 3596992, 5395488, 7193984, 10790976, 21581952]

約数ペア:

[(1, 21581952), (2, 10790976), (3, 7193984), (4, 5395488), (6, 3596992), (7, 3083136), (8, 2697744), (12, 1798496), (14, 1541568), (16, 1348872), (21, 1027712), (24, 899248), (28, 770784), (31, 696192), (32, 674436), (37, 583296), (42, 513856), (48, 449624), (49, 440448), (56, 385392), (62, 348096), (64, 337218), (74, 291648), (84, 256928), (93, 232064), (96, 224812), (98, 220224), (111, 194432), (112, 192696), (124, 174048), (128, 168609), (147, 146816), (148, 145824), (168, 128464), (186, 116032), (192, 112406), (196, 110112), (217, 99456), (222, 97216), (224, 96348), (248, 87024), (259, 83328), (294, 73408), (296, 72912), (336, 64232), (372, 58016), (384, 56203), (392, 55056), (434, 49728), (444, 48608), (448, 48174), (496, 43512), (518, 41664), (588, 36704), (592, 36456), (651, 33152), (672, 32116), (744, 29008), (777, 27776), (784, 27528), (868, 24864), (888, 24304), (896, 24087), (992, 21756), (1036, 20832), (1147, 18816), (1176, 18352), (1184, 18228), (1302, 16576), (1344, 16058), (1488, 14504), (1519, 14208), (1554, 13888), (1568, 13764), (1736, 12432), (1776, 12152), (1813, 11904), (1984, 10878), (2072, 10416), (2294, 9408), (2352, 9176), (2368, 9114), (2604, 8288), (2688, 8029), (2976, 7252), (3038, 7104), (3108, 6944), (3136, 6882), (3441, 6272), (3472, 6216), (3552, 6076), (3626, 5952), (3968, 5439), (4144, 5208), (4557, 4736), (4588, 4704)]