21490907904

素因数分解:

$2^8\times 3^3\times {\mathrm{19}}^1\times {\mathrm{163643}}^1$

素因数の和:163687

約数の個数: 144

約数和(自身を含む): 66897667200

約数和(自身を除く): 45406759296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 256, 288, 304, 342, 384, 432, 456, 513, 576, 608, 684, 768, 864, 912, 1026, 1152, 1216, 1368, 1728, 1824, 2052, 2304, 2432, 2736, 3456, 3648, 4104, 4864, 5472, 6912, 7296, 8208, 10944, 14592, 16416, 21888, 32832, 43776, 65664, 131328, 163643, 327286, 490929, 654572, 981858, 1309144, 1472787, 1963716, 2618288, 2945574, 3109217, 3927432, 4418361, 5236576, 5891148, 6218434, 7854864, 8836722, 9327651, 10473152, 11782296, 12436868, 15709728, 17673444, 18655302, 20946304, 23564592, 24873736, 27982953, 31419456, 35346888, 37310604, 41892608, 47129184, 49747472, 55965906, 62838912, 70693776, 74621208, 83948859, 94258368, 99494944, 111931812, 125677824, 141387552, 149242416, 167897718, 188516736, 198989888, 223863624, 282775104, 298484832, 335795436, 377033472, 397979776, 447727248, 565550208, 596969664, 671590872, 795959552, 895454496, 1131100416, 1193939328, 1343181744, 1790908992, 2387878656, 2686363488, 3581817984, 5372726976, 7163635968, 10745453952, 21490907904]

約数ペア:

[(1, 21490907904), (2, 10745453952), (3, 7163635968), (4, 5372726976), (6, 3581817984), (8, 2686363488), (9, 2387878656), (12, 1790908992), (16, 1343181744), (18, 1193939328), (19, 1131100416), (24, 895454496), (27, 795959552), (32, 671590872), (36, 596969664), (38, 565550208), (48, 447727248), (54, 397979776), (57, 377033472), (64, 335795436), (72, 298484832), (76, 282775104), (96, 223863624), (108, 198989888), (114, 188516736), (128, 167897718), (144, 149242416), (152, 141387552), (171, 125677824), (192, 111931812), (216, 99494944), (228, 94258368), (256, 83948859), (288, 74621208), (304, 70693776), (342, 62838912), (384, 55965906), (432, 49747472), (456, 47129184), (513, 41892608), (576, 37310604), (608, 35346888), (684, 31419456), (768, 27982953), (864, 24873736), (912, 23564592), (1026, 20946304), (1152, 18655302), (1216, 17673444), (1368, 15709728), (1728, 12436868), (1824, 11782296), (2052, 10473152), (2304, 9327651), (2432, 8836722), (2736, 7854864), (3456, 6218434), (3648, 5891148), (4104, 5236576), (4864, 4418361), (5472, 3927432), (6912, 3109217), (7296, 2945574), (8208, 2618288), (10944, 1963716), (14592, 1472787), (16416, 1309144), (21888, 981858), (32832, 654572), (43776, 490929), (65664, 327286), (131328, 163643)]