21931282920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1\times {\mathrm{8999}}^1$

素因数の和:9919

約数の個数: 128

約数和(自身を含む): 68739840000

約数和(自身を除く): 46808557080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 883, 920, 1380, 1766, 2649, 2760, 3532, 4415, 5298, 7064, 8830, 8999, 10596, 13245, 17660, 17998, 20309, 21192, 26490, 26997, 35320, 35996, 40618, 44995, 52980, 53994, 60927, 71992, 81236, 89990, 101545, 105960, 107988, 121854, 134985, 162472, 179980, 203090, 206977, 215976, 243708, 269970, 304635, 359960, 406180, 413954, 487416, 539940, 609270, 620931, 812360, 827908, 1034885, 1079880, 1218540, 1241862, 1655816, 2069770, 2437080, 2483724, 3104655, 4139540, 4967448, 6209310, 7946117, 8279080, 12418620, 15892234, 23838351, 24837240, 31784468, 39730585, 47676702, 63568936, 79461170, 95353404, 119191755, 158922340, 182760691, 190706808, 238383510, 317844680, 365521382, 476767020, 548282073, 731042764, 913803455, 953534040, 1096564146, 1462085528, 1827606910, 2193128292, 2741410365, 3655213820, 4386256584, 5482820730, 7310427640, 10965641460, 21931282920]

約数ペア:

[(1, 21931282920), (2, 10965641460), (3, 7310427640), (4, 5482820730), (5, 4386256584), (6, 3655213820), (8, 2741410365), (10, 2193128292), (12, 1827606910), (15, 1462085528), (20, 1096564146), (23, 953534040), (24, 913803455), (30, 731042764), (40, 548282073), (46, 476767020), (60, 365521382), (69, 317844680), (92, 238383510), (115, 190706808), (120, 182760691), (138, 158922340), (184, 119191755), (230, 95353404), (276, 79461170), (345, 63568936), (460, 47676702), (552, 39730585), (690, 31784468), (883, 24837240), (920, 23838351), (1380, 15892234), (1766, 12418620), (2649, 8279080), (2760, 7946117), (3532, 6209310), (4415, 4967448), (5298, 4139540), (7064, 3104655), (8830, 2483724), (8999, 2437080), (10596, 2069770), (13245, 1655816), (17660, 1241862), (17998, 1218540), (20309, 1079880), (21192, 1034885), (26490, 827908), (26997, 812360), (35320, 620931), (35996, 609270), (40618, 539940), (44995, 487416), (52980, 413954), (53994, 406180), (60927, 359960), (71992, 304635), (81236, 269970), (89990, 243708), (101545, 215976), (105960, 206977), (107988, 203090), (121854, 179980), (134985, 162472)]