21915648

素因数分解:

$2^{11}\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 67076100

約数和(自身を除く): 45160452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 41, 48, 58, 64, 72, 82, 87, 96, 116, 123, 128, 144, 164, 174, 192, 232, 246, 256, 261, 288, 328, 348, 369, 384, 464, 492, 512, 522, 576, 656, 696, 738, 768, 928, 984, 1024, 1044, 1152, 1189, 1312, 1392, 1476, 1536, 1856, 1968, 2048, 2088, 2304, 2378, 2624, 2784, 2952, 3072, 3567, 3712, 3936, 4176, 4608, 4756, 5248, 5568, 5904, 6144, 7134, 7424, 7872, 8352, 9216, 9512, 10496, 10701, 11136, 11808, 14268, 14848, 15744, 16704, 18432, 19024, 20992, 21402, 22272, 23616, 28536, 29696, 31488, 33408, 38048, 41984, 42804, 44544, 47232, 57072, 59392, 62976, 66816, 76096, 83968, 85608, 89088, 94464, 114144, 125952, 133632, 152192, 171216, 178176, 188928, 228288, 251904, 267264, 304384, 342432, 377856, 456576, 534528, 608768, 684864, 755712, 913152, 1217536, 1369728, 1826304, 2435072, 2739456, 3652608, 5478912, 7305216, 10957824, 21915648]

約数ペア:

[(1, 21915648), (2, 10957824), (3, 7305216), (4, 5478912), (6, 3652608), (8, 2739456), (9, 2435072), (12, 1826304), (16, 1369728), (18, 1217536), (24, 913152), (29, 755712), (32, 684864), (36, 608768), (41, 534528), (48, 456576), (58, 377856), (64, 342432), (72, 304384), (82, 267264), (87, 251904), (96, 228288), (116, 188928), (123, 178176), (128, 171216), (144, 152192), (164, 133632), (174, 125952), (192, 114144), (232, 94464), (246, 89088), (256, 85608), (261, 83968), (288, 76096), (328, 66816), (348, 62976), (369, 59392), (384, 57072), (464, 47232), (492, 44544), (512, 42804), (522, 41984), (576, 38048), (656, 33408), (696, 31488), (738, 29696), (768, 28536), (928, 23616), (984, 22272), (1024, 21402), (1044, 20992), (1152, 19024), (1189, 18432), (1312, 16704), (1392, 15744), (1476, 14848), (1536, 14268), (1856, 11808), (1968, 11136), (2048, 10701), (2088, 10496), (2304, 9512), (2378, 9216), (2624, 8352), (2784, 7872), (2952, 7424), (3072, 7134), (3567, 6144), (3712, 5904), (3936, 5568), (4176, 5248), (4608, 4756)]