21922208

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 57915648

約数和(自身を除く): 35993440

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 41, 44, 49, 56, 62, 77, 82, 88, 98, 112, 124, 154, 164, 176, 196, 217, 224, 248, 287, 308, 328, 341, 352, 392, 434, 451, 496, 539, 574, 616, 656, 682, 784, 868, 902, 992, 1078, 1148, 1232, 1271, 1312, 1364, 1519, 1568, 1736, 1804, 2009, 2156, 2296, 2387, 2464, 2542, 2728, 3038, 3157, 3472, 3608, 4018, 4312, 4592, 4774, 5084, 5456, 6076, 6314, 6944, 7216, 8036, 8624, 8897, 9184, 9548, 10168, 10912, 12152, 12628, 13981, 14432, 16072, 16709, 17248, 17794, 19096, 20336, 22099, 24304, 25256, 27962, 32144, 33418, 35588, 38192, 40672, 44198, 48608, 50512, 55924, 62279, 64288, 66836, 71176, 76384, 88396, 97867, 101024, 111848, 124558, 133672, 142352, 176792, 195734, 223696, 249116, 267344, 284704, 353584, 391468, 447392, 498232, 534688, 685069, 707168, 782936, 996464, 1370138, 1565872, 1992928, 2740276, 3131744, 5480552, 10961104, 21922208]

約数ペア:

[(1, 21922208), (2, 10961104), (4, 5480552), (7, 3131744), (8, 2740276), (11, 1992928), (14, 1565872), (16, 1370138), (22, 996464), (28, 782936), (31, 707168), (32, 685069), (41, 534688), (44, 498232), (49, 447392), (56, 391468), (62, 353584), (77, 284704), (82, 267344), (88, 249116), (98, 223696), (112, 195734), (124, 176792), (154, 142352), (164, 133672), (176, 124558), (196, 111848), (217, 101024), (224, 97867), (248, 88396), (287, 76384), (308, 71176), (328, 66836), (341, 64288), (352, 62279), (392, 55924), (434, 50512), (451, 48608), (496, 44198), (539, 40672), (574, 38192), (616, 35588), (656, 33418), (682, 32144), (784, 27962), (868, 25256), (902, 24304), (992, 22099), (1078, 20336), (1148, 19096), (1232, 17794), (1271, 17248), (1312, 16709), (1364, 16072), (1519, 14432), (1568, 13981), (1736, 12628), (1804, 12152), (2009, 10912), (2156, 10168), (2296, 9548), (2387, 9184), (2464, 8897), (2542, 8624), (2728, 8036), (3038, 7216), (3157, 6944), (3472, 6314), (3608, 6076), (4018, 5456), (4312, 5084), (4592, 4774)]