21211200

素因数分解:

$2^6\times 3^3\times 5^2\times {\mathrm{491}}^1$

素因数の和:522

約数の個数: 168

約数和(自身を含む): 77480160

約数和(自身を除く): 56268960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 270, 288, 300, 320, 360, 400, 432, 450, 480, 491, 540, 576, 600, 675, 720, 800, 864, 900, 960, 982, 1080, 1200, 1350, 1440, 1473, 1600, 1728, 1800, 1964, 2160, 2400, 2455, 2700, 2880, 2946, 3600, 3928, 4320, 4419, 4800, 4910, 5400, 5892, 7200, 7365, 7856, 8640, 8838, 9820, 10800, 11784, 12275, 13257, 14400, 14730, 15712, 17676, 19640, 21600, 22095, 23568, 24550, 26514, 29460, 31424, 35352, 36825, 39280, 43200, 44190, 47136, 49100, 53028, 58920, 66285, 70704, 73650, 78560, 88380, 94272, 98200, 106056, 110475, 117840, 132570, 141408, 147300, 157120, 176760, 196400, 212112, 220950, 235680, 265140, 282816, 294600, 331425, 353520, 392800, 424224, 441900, 471360, 530280, 589200, 662850, 707040, 785600, 848448, 883800, 1060560, 1178400, 1325700, 1414080, 1767600, 2121120, 2356800, 2651400, 3535200, 4242240, 5302800, 7070400, 10605600, 21211200]

約数ペア:

[(1, 21211200), (2, 10605600), (3, 7070400), (4, 5302800), (5, 4242240), (6, 3535200), (8, 2651400), (9, 2356800), (10, 2121120), (12, 1767600), (15, 1414080), (16, 1325700), (18, 1178400), (20, 1060560), (24, 883800), (25, 848448), (27, 785600), (30, 707040), (32, 662850), (36, 589200), (40, 530280), (45, 471360), (48, 441900), (50, 424224), (54, 392800), (60, 353520), (64, 331425), (72, 294600), (75, 282816), (80, 265140), (90, 235680), (96, 220950), (100, 212112), (108, 196400), (120, 176760), (135, 157120), (144, 147300), (150, 141408), (160, 132570), (180, 117840), (192, 110475), (200, 106056), (216, 98200), (225, 94272), (240, 88380), (270, 78560), (288, 73650), (300, 70704), (320, 66285), (360, 58920), (400, 53028), (432, 49100), (450, 47136), (480, 44190), (491, 43200), (540, 39280), (576, 36825), (600, 35352), (675, 31424), (720, 29460), (800, 26514), (864, 24550), (900, 23568), (960, 22095), (982, 21600), (1080, 19640), (1200, 17676), (1350, 15712), (1440, 14730), (1473, 14400), (1600, 13257), (1728, 12275), (1800, 11784), (1964, 10800), (2160, 9820), (2400, 8838), (2455, 8640), (2700, 7856), (2880, 7365), (2946, 7200), (3600, 5892), (3928, 5400), (4320, 4910), (4419, 4800)]