21044400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 240

約数和(自身を含む): 77495040

約数和(自身を除く): 56450640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 25, 26, 30, 38, 39, 40, 48, 50, 52, 57, 60, 65, 71, 75, 76, 78, 80, 95, 100, 104, 114, 120, 130, 142, 150, 152, 156, 190, 195, 200, 208, 213, 228, 240, 247, 260, 284, 285, 300, 304, 312, 325, 355, 380, 390, 400, 426, 456, 475, 494, 520, 568, 570, 600, 624, 650, 710, 741, 760, 780, 852, 912, 923, 950, 975, 988, 1040, 1065, 1136, 1140, 1200, 1235, 1300, 1349, 1420, 1425, 1482, 1520, 1560, 1704, 1775, 1846, 1900, 1950, 1976, 2130, 2280, 2470, 2600, 2698, 2769, 2840, 2850, 2964, 3120, 3408, 3550, 3692, 3705, 3800, 3900, 3952, 4047, 4260, 4560, 4615, 4940, 5200, 5325, 5396, 5538, 5680, 5700, 5928, 6175, 6745, 7100, 7384, 7410, 7600, 7800, 8094, 8520, 9230, 9880, 10650, 10792, 11076, 11400, 11856, 12350, 13490, 13845, 14200, 14768, 14820, 15600, 16188, 17040, 17537, 18460, 18525, 19760, 20235, 21300, 21584, 22152, 22800, 23075, 24700, 26980, 27690, 28400, 29640, 32376, 33725, 35074, 36920, 37050, 40470, 42600, 44304, 46150, 49400, 52611, 53960, 55380, 59280, 64752, 67450, 69225, 70148, 73840, 74100, 80940, 85200, 87685, 92300, 98800, 101175, 105222, 107920, 110760, 134900, 138450, 140296, 148200, 161880, 175370, 184600, 202350, 210444, 221520, 263055, 269800, 276900, 280592, 296400, 323760, 350740, 369200, 404700, 420888, 438425, 526110, 539600, 553800, 701480, 809400, 841776, 876850, 1052220, 1107600, 1315275, 1402960, 1618800, 1753700, 2104440, 2630550, 3507400, 4208880, 5261100, 7014800, 10522200, 21044400]

約数ペア:

[(1, 21044400), (2, 10522200), (3, 7014800), (4, 5261100), (5, 4208880), (6, 3507400), (8, 2630550), (10, 2104440), (12, 1753700), (13, 1618800), (15, 1402960), (16, 1315275), (19, 1107600), (20, 1052220), (24, 876850), (25, 841776), (26, 809400), (30, 701480), (38, 553800), (39, 539600), (40, 526110), (48, 438425), (50, 420888), (52, 404700), (57, 369200), (60, 350740), (65, 323760), (71, 296400), (75, 280592), (76, 276900), (78, 269800), (80, 263055), (95, 221520), (100, 210444), (104, 202350), (114, 184600), (120, 175370), (130, 161880), (142, 148200), (150, 140296), (152, 138450), (156, 134900), (190, 110760), (195, 107920), (200, 105222), (208, 101175), (213, 98800), (228, 92300), (240, 87685), (247, 85200), (260, 80940), (284, 74100), (285, 73840), (300, 70148), (304, 69225), (312, 67450), (325, 64752), (355, 59280), (380, 55380), (390, 53960), (400, 52611), (426, 49400), (456, 46150), (475, 44304), (494, 42600), (520, 40470), (568, 37050), (570, 36920), (600, 35074), (624, 33725), (650, 32376), (710, 29640), (741, 28400), (760, 27690), (780, 26980), (852, 24700), (912, 23075), (923, 22800), (950, 22152), (975, 21584), (988, 21300), (1040, 20235), (1065, 19760), (1136, 18525), (1140, 18460), (1200, 17537), (1235, 17040), (1300, 16188), (1349, 15600), (1420, 14820), (1425, 14768), (1482, 14200), (1520, 13845), (1560, 13490), (1704, 12350), (1775, 11856), (1846, 11400), (1900, 11076), (1950, 10792), (1976, 10650), (2130, 9880), (2280, 9230), (2470, 8520), (2600, 8094), (2698, 7800), (2769, 7600), (2840, 7410), (2850, 7384), (2964, 7100), (3120, 6745), (3408, 6175), (3550, 5928), (3692, 5700), (3705, 5680), (3800, 5538), (3900, 5396), (3952, 5325), (4047, 5200), (4260, 4940), (4560, 4615)]