21587400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 73990800

約数和(自身を除く): 52403400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 67, 72, 75, 90, 100, 120, 134, 150, 179, 180, 200, 201, 225, 268, 300, 335, 358, 360, 402, 450, 536, 537, 600, 603, 670, 716, 804, 895, 900, 1005, 1074, 1206, 1340, 1432, 1608, 1611, 1675, 1790, 1800, 2010, 2148, 2412, 2680, 2685, 3015, 3222, 3350, 3580, 4020, 4296, 4475, 4824, 5025, 5370, 6030, 6444, 6700, 7160, 8040, 8055, 8950, 10050, 10740, 11993, 12060, 12888, 13400, 13425, 15075, 16110, 17900, 20100, 21480, 23986, 24120, 26850, 30150, 32220, 35800, 35979, 40200, 40275, 47972, 53700, 59965, 60300, 64440, 71958, 80550, 95944, 107400, 107937, 119930, 120600, 143916, 161100, 179895, 215874, 239860, 287832, 299825, 322200, 359790, 431748, 479720, 539685, 599650, 719580, 863496, 899475, 1079370, 1199300, 1439160, 1798950, 2158740, 2398600, 2698425, 3597900, 4317480, 5396850, 7195800, 10793700, 21587400]

約数ペア:

[(1, 21587400), (2, 10793700), (3, 7195800), (4, 5396850), (5, 4317480), (6, 3597900), (8, 2698425), (9, 2398600), (10, 2158740), (12, 1798950), (15, 1439160), (18, 1199300), (20, 1079370), (24, 899475), (25, 863496), (30, 719580), (36, 599650), (40, 539685), (45, 479720), (50, 431748), (60, 359790), (67, 322200), (72, 299825), (75, 287832), (90, 239860), (100, 215874), (120, 179895), (134, 161100), (150, 143916), (179, 120600), (180, 119930), (200, 107937), (201, 107400), (225, 95944), (268, 80550), (300, 71958), (335, 64440), (358, 60300), (360, 59965), (402, 53700), (450, 47972), (536, 40275), (537, 40200), (600, 35979), (603, 35800), (670, 32220), (716, 30150), (804, 26850), (895, 24120), (900, 23986), (1005, 21480), (1074, 20100), (1206, 17900), (1340, 16110), (1432, 15075), (1608, 13425), (1611, 13400), (1675, 12888), (1790, 12060), (1800, 11993), (2010, 10740), (2148, 10050), (2412, 8950), (2680, 8055), (2685, 8040), (3015, 7160), (3222, 6700), (3350, 6444), (3580, 6030), (4020, 5370), (4296, 5025), (4475, 4824)]