21481344

素因数分解:

$2^7\times 3^2\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:692

約数の個数: 96

約数和(自身を含む): 64045800

約数和(自身を除く): 42564456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 174, 192, 232, 261, 288, 348, 384, 464, 522, 576, 643, 696, 928, 1044, 1152, 1286, 1392, 1856, 1929, 2088, 2572, 2784, 3712, 3858, 4176, 5144, 5568, 5787, 7716, 8352, 10288, 11136, 11574, 15432, 16704, 18647, 20576, 23148, 30864, 33408, 37294, 41152, 46296, 55941, 61728, 74588, 82304, 92592, 111882, 123456, 149176, 167823, 185184, 223764, 246912, 298352, 335646, 370368, 447528, 596704, 671292, 740736, 895056, 1193408, 1342584, 1790112, 2386816, 2685168, 3580224, 5370336, 7160448, 10740672, 21481344]

約数ペア:

[(1, 21481344), (2, 10740672), (3, 7160448), (4, 5370336), (6, 3580224), (8, 2685168), (9, 2386816), (12, 1790112), (16, 1342584), (18, 1193408), (24, 895056), (29, 740736), (32, 671292), (36, 596704), (48, 447528), (58, 370368), (64, 335646), (72, 298352), (87, 246912), (96, 223764), (116, 185184), (128, 167823), (144, 149176), (174, 123456), (192, 111882), (232, 92592), (261, 82304), (288, 74588), (348, 61728), (384, 55941), (464, 46296), (522, 41152), (576, 37294), (643, 33408), (696, 30864), (928, 23148), (1044, 20576), (1152, 18647), (1286, 16704), (1392, 15432), (1856, 11574), (1929, 11136), (2088, 10288), (2572, 8352), (2784, 7716), (3712, 5787), (3858, 5568), (4176, 5144)]