21724080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 160

約数和(自身を含む): 78518784

約数和(自身を除く): 56794704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 67, 70, 80, 84, 105, 112, 120, 134, 140, 168, 193, 201, 210, 240, 268, 280, 335, 336, 386, 402, 420, 469, 536, 560, 579, 670, 772, 804, 840, 938, 965, 1005, 1072, 1158, 1340, 1351, 1407, 1544, 1608, 1680, 1876, 1930, 2010, 2316, 2345, 2680, 2702, 2814, 2895, 3088, 3216, 3752, 3860, 4020, 4053, 4632, 4690, 5360, 5404, 5628, 5790, 6755, 7035, 7504, 7720, 8040, 8106, 9264, 9380, 10808, 11256, 11580, 12931, 13510, 14070, 15440, 16080, 16212, 18760, 20265, 21616, 22512, 23160, 25862, 27020, 28140, 32424, 37520, 38793, 40530, 46320, 51724, 54040, 56280, 64655, 64848, 77586, 81060, 90517, 103448, 108080, 112560, 129310, 155172, 162120, 181034, 193965, 206896, 258620, 271551, 310344, 324240, 362068, 387930, 452585, 517240, 543102, 620688, 724136, 775860, 905170, 1034480, 1086204, 1357755, 1448272, 1551720, 1810340, 2172408, 2715510, 3103440, 3620680, 4344816, 5431020, 7241360, 10862040, 21724080]

約数ペア:

[(1, 21724080), (2, 10862040), (3, 7241360), (4, 5431020), (5, 4344816), (6, 3620680), (7, 3103440), (8, 2715510), (10, 2172408), (12, 1810340), (14, 1551720), (15, 1448272), (16, 1357755), (20, 1086204), (21, 1034480), (24, 905170), (28, 775860), (30, 724136), (35, 620688), (40, 543102), (42, 517240), (48, 452585), (56, 387930), (60, 362068), (67, 324240), (70, 310344), (80, 271551), (84, 258620), (105, 206896), (112, 193965), (120, 181034), (134, 162120), (140, 155172), (168, 129310), (193, 112560), (201, 108080), (210, 103448), (240, 90517), (268, 81060), (280, 77586), (335, 64848), (336, 64655), (386, 56280), (402, 54040), (420, 51724), (469, 46320), (536, 40530), (560, 38793), (579, 37520), (670, 32424), (772, 28140), (804, 27020), (840, 25862), (938, 23160), (965, 22512), (1005, 21616), (1072, 20265), (1158, 18760), (1340, 16212), (1351, 16080), (1407, 15440), (1544, 14070), (1608, 13510), (1680, 12931), (1876, 11580), (1930, 11256), (2010, 10808), (2316, 9380), (2345, 9264), (2680, 8106), (2702, 8040), (2814, 7720), (2895, 7504), (3088, 7035), (3216, 6755), (3752, 5790), (3860, 5628), (4020, 5404), (4053, 5360), (4632, 4690)]