21214800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 180

約数和(自身を含む): 75557664

約数和(自身を除く): 54342864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 71, 72, 75, 80, 83, 90, 100, 120, 142, 144, 150, 166, 180, 200, 213, 225, 240, 249, 284, 300, 332, 355, 360, 400, 415, 426, 450, 498, 568, 600, 639, 664, 710, 720, 747, 830, 852, 900, 996, 1065, 1136, 1200, 1245, 1278, 1328, 1420, 1494, 1660, 1704, 1775, 1800, 1992, 2075, 2130, 2490, 2556, 2840, 2988, 3195, 3320, 3408, 3550, 3600, 3735, 3984, 4150, 4260, 4980, 5112, 5325, 5680, 5893, 5976, 6225, 6390, 6640, 7100, 7470, 8300, 8520, 9960, 10224, 10650, 11786, 11952, 12450, 12780, 14200, 14940, 15975, 16600, 17040, 17679, 18675, 19920, 21300, 23572, 24900, 25560, 28400, 29465, 29880, 31950, 33200, 35358, 37350, 42600, 47144, 49800, 51120, 53037, 58930, 59760, 63900, 70716, 74700, 85200, 88395, 94288, 99600, 106074, 117860, 127800, 141432, 147325, 149400, 176790, 212148, 235720, 255600, 265185, 282864, 294650, 298800, 353580, 424296, 441975, 471440, 530370, 589300, 707160, 848592, 883950, 1060740, 1178600, 1325925, 1414320, 1767900, 2121480, 2357200, 2651850, 3535800, 4242960, 5303700, 7071600, 10607400, 21214800]

約数ペア:

[(1, 21214800), (2, 10607400), (3, 7071600), (4, 5303700), (5, 4242960), (6, 3535800), (8, 2651850), (9, 2357200), (10, 2121480), (12, 1767900), (15, 1414320), (16, 1325925), (18, 1178600), (20, 1060740), (24, 883950), (25, 848592), (30, 707160), (36, 589300), (40, 530370), (45, 471440), (48, 441975), (50, 424296), (60, 353580), (71, 298800), (72, 294650), (75, 282864), (80, 265185), (83, 255600), (90, 235720), (100, 212148), (120, 176790), (142, 149400), (144, 147325), (150, 141432), (166, 127800), (180, 117860), (200, 106074), (213, 99600), (225, 94288), (240, 88395), (249, 85200), (284, 74700), (300, 70716), (332, 63900), (355, 59760), (360, 58930), (400, 53037), (415, 51120), (426, 49800), (450, 47144), (498, 42600), (568, 37350), (600, 35358), (639, 33200), (664, 31950), (710, 29880), (720, 29465), (747, 28400), (830, 25560), (852, 24900), (900, 23572), (996, 21300), (1065, 19920), (1136, 18675), (1200, 17679), (1245, 17040), (1278, 16600), (1328, 15975), (1420, 14940), (1494, 14200), (1660, 12780), (1704, 12450), (1775, 11952), (1800, 11786), (1992, 10650), (2075, 10224), (2130, 9960), (2490, 8520), (2556, 8300), (2840, 7470), (2988, 7100), (3195, 6640), (3320, 6390), (3408, 6225), (3550, 5976), (3600, 5893), (3735, 5680), (3984, 5325), (4150, 5112), (4260, 4980)]