21155040

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 76204800

約数和(自身を除く): 55049760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 59, 60, 72, 80, 83, 90, 96, 108, 118, 120, 135, 144, 160, 166, 177, 180, 216, 236, 240, 249, 270, 288, 295, 332, 354, 360, 415, 432, 472, 480, 498, 531, 540, 590, 664, 708, 720, 747, 830, 864, 885, 944, 996, 1062, 1080, 1180, 1245, 1328, 1416, 1440, 1494, 1593, 1660, 1770, 1888, 1992, 2124, 2160, 2241, 2360, 2490, 2655, 2656, 2832, 2988, 3186, 3320, 3540, 3735, 3984, 4248, 4320, 4482, 4720, 4897, 4980, 5310, 5664, 5976, 6372, 6640, 7080, 7470, 7965, 7968, 8496, 8964, 9440, 9794, 9960, 10620, 11205, 11952, 12744, 13280, 14160, 14691, 14940, 15930, 16992, 17928, 19588, 19920, 21240, 22410, 23904, 24485, 25488, 28320, 29382, 29880, 31860, 35856, 39176, 39840, 42480, 44073, 44820, 48970, 50976, 58764, 59760, 63720, 71712, 73455, 78352, 84960, 88146, 89640, 97940, 117528, 119520, 127440, 132219, 146910, 156704, 176292, 179280, 195880, 220365, 235056, 254880, 264438, 293820, 352584, 358560, 391760, 440730, 470112, 528876, 587640, 661095, 705168, 783520, 881460, 1057752, 1175280, 1322190, 1410336, 1762920, 2115504, 2350560, 2644380, 3525840, 4231008, 5288760, 7051680, 10577520, 21155040]

約数ペア:

[(1, 21155040), (2, 10577520), (3, 7051680), (4, 5288760), (5, 4231008), (6, 3525840), (8, 2644380), (9, 2350560), (10, 2115504), (12, 1762920), (15, 1410336), (16, 1322190), (18, 1175280), (20, 1057752), (24, 881460), (27, 783520), (30, 705168), (32, 661095), (36, 587640), (40, 528876), (45, 470112), (48, 440730), (54, 391760), (59, 358560), (60, 352584), (72, 293820), (80, 264438), (83, 254880), (90, 235056), (96, 220365), (108, 195880), (118, 179280), (120, 176292), (135, 156704), (144, 146910), (160, 132219), (166, 127440), (177, 119520), (180, 117528), (216, 97940), (236, 89640), (240, 88146), (249, 84960), (270, 78352), (288, 73455), (295, 71712), (332, 63720), (354, 59760), (360, 58764), (415, 50976), (432, 48970), (472, 44820), (480, 44073), (498, 42480), (531, 39840), (540, 39176), (590, 35856), (664, 31860), (708, 29880), (720, 29382), (747, 28320), (830, 25488), (864, 24485), (885, 23904), (944, 22410), (996, 21240), (1062, 19920), (1080, 19588), (1180, 17928), (1245, 16992), (1328, 15930), (1416, 14940), (1440, 14691), (1494, 14160), (1593, 13280), (1660, 12744), (1770, 11952), (1888, 11205), (1992, 10620), (2124, 9960), (2160, 9794), (2241, 9440), (2360, 8964), (2490, 8496), (2655, 7968), (2656, 7965), (2832, 7470), (2988, 7080), (3186, 6640), (3320, 6372), (3540, 5976), (3735, 5664), (3984, 5310), (4248, 4980), (4320, 4897), (4482, 4720)]