21488256

素因数分解:

$2^7\times 3^2\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:854

約数の個数: 96

約数和(自身を含む): 64602720

約数和(自身を除く): 43114464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 276, 288, 368, 384, 414, 552, 576, 736, 811, 828, 1104, 1152, 1472, 1622, 1656, 2208, 2433, 2944, 3244, 3312, 4416, 4866, 6488, 6624, 7299, 8832, 9732, 12976, 13248, 14598, 18653, 19464, 25952, 26496, 29196, 37306, 38928, 51904, 55959, 58392, 74612, 77856, 103808, 111918, 116784, 149224, 155712, 167877, 223836, 233568, 298448, 311424, 335754, 447672, 467136, 596896, 671508, 895344, 934272, 1193792, 1343016, 1790688, 2387584, 2686032, 3581376, 5372064, 7162752, 10744128, 21488256]

約数ペア:

[(1, 21488256), (2, 10744128), (3, 7162752), (4, 5372064), (6, 3581376), (8, 2686032), (9, 2387584), (12, 1790688), (16, 1343016), (18, 1193792), (23, 934272), (24, 895344), (32, 671508), (36, 596896), (46, 467136), (48, 447672), (64, 335754), (69, 311424), (72, 298448), (92, 233568), (96, 223836), (128, 167877), (138, 155712), (144, 149224), (184, 116784), (192, 111918), (207, 103808), (276, 77856), (288, 74612), (368, 58392), (384, 55959), (414, 51904), (552, 38928), (576, 37306), (736, 29196), (811, 26496), (828, 25952), (1104, 19464), (1152, 18653), (1472, 14598), (1622, 13248), (1656, 12976), (2208, 9732), (2433, 8832), (2944, 7299), (3244, 6624), (3312, 6488), (4416, 4866)]