21522240

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 224

約数和(自身を含む): 79004160

約数和(自身を除く): 57481920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 53, 54, 60, 64, 72, 80, 90, 94, 96, 106, 108, 120, 135, 141, 144, 159, 160, 180, 188, 192, 212, 216, 235, 240, 265, 270, 282, 288, 318, 320, 360, 376, 423, 424, 432, 470, 477, 480, 530, 540, 564, 576, 636, 705, 720, 752, 795, 846, 848, 864, 940, 954, 960, 1060, 1080, 1128, 1269, 1272, 1410, 1431, 1440, 1504, 1590, 1692, 1696, 1728, 1880, 1908, 2115, 2120, 2160, 2256, 2385, 2491, 2538, 2544, 2820, 2862, 2880, 3008, 3180, 3384, 3392, 3760, 3816, 4230, 4240, 4320, 4512, 4770, 4982, 5076, 5088, 5640, 5724, 6345, 6360, 6768, 7155, 7473, 7520, 7632, 8460, 8480, 8640, 9024, 9540, 9964, 10152, 10176, 11280, 11448, 12455, 12690, 12720, 13536, 14310, 14946, 15040, 15264, 16920, 16960, 19080, 19928, 20304, 22419, 22560, 22896, 24910, 25380, 25440, 27072, 28620, 29892, 30528, 33840, 37365, 38160, 39856, 40608, 44838, 45120, 45792, 49820, 50760, 50880, 57240, 59784, 67257, 67680, 74730, 76320, 79712, 81216, 89676, 91584, 99640, 101520, 112095, 114480, 119568, 134514, 135360, 149460, 152640, 159424, 179352, 199280, 203040, 224190, 228960, 239136, 269028, 298920, 336285, 358704, 398560, 406080, 448380, 457920, 478272, 538056, 597840, 672570, 717408, 797120, 896760, 1076112, 1195680, 1345140, 1434816, 1793520, 2152224, 2391360, 2690280, 3587040, 4304448, 5380560, 7174080, 10761120, 21522240]

約数ペア:

[(1, 21522240), (2, 10761120), (3, 7174080), (4, 5380560), (5, 4304448), (6, 3587040), (8, 2690280), (9, 2391360), (10, 2152224), (12, 1793520), (15, 1434816), (16, 1345140), (18, 1195680), (20, 1076112), (24, 896760), (27, 797120), (30, 717408), (32, 672570), (36, 597840), (40, 538056), (45, 478272), (47, 457920), (48, 448380), (53, 406080), (54, 398560), (60, 358704), (64, 336285), (72, 298920), (80, 269028), (90, 239136), (94, 228960), (96, 224190), (106, 203040), (108, 199280), (120, 179352), (135, 159424), (141, 152640), (144, 149460), (159, 135360), (160, 134514), (180, 119568), (188, 114480), (192, 112095), (212, 101520), (216, 99640), (235, 91584), (240, 89676), (265, 81216), (270, 79712), (282, 76320), (288, 74730), (318, 67680), (320, 67257), (360, 59784), (376, 57240), (423, 50880), (424, 50760), (432, 49820), (470, 45792), (477, 45120), (480, 44838), (530, 40608), (540, 39856), (564, 38160), (576, 37365), (636, 33840), (705, 30528), (720, 29892), (752, 28620), (795, 27072), (846, 25440), (848, 25380), (864, 24910), (940, 22896), (954, 22560), (960, 22419), (1060, 20304), (1080, 19928), (1128, 19080), (1269, 16960), (1272, 16920), (1410, 15264), (1431, 15040), (1440, 14946), (1504, 14310), (1590, 13536), (1692, 12720), (1696, 12690), (1728, 12455), (1880, 11448), (1908, 11280), (2115, 10176), (2120, 10152), (2160, 9964), (2256, 9540), (2385, 9024), (2491, 8640), (2538, 8480), (2544, 8460), (2820, 7632), (2862, 7520), (2880, 7473), (3008, 7155), (3180, 6768), (3384, 6360), (3392, 6345), (3760, 5724), (3816, 5640), (4230, 5088), (4240, 5076), (4320, 4982), (4512, 4770)]