21834720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:337

約数の個数: 144

約数和(自身を含む): 76068720

約数和(自身を除く): 54234000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 257, 288, 295, 354, 360, 472, 480, 514, 531, 590, 708, 720, 771, 885, 944, 1028, 1062, 1180, 1285, 1416, 1440, 1542, 1770, 1888, 2056, 2124, 2313, 2360, 2570, 2655, 2832, 3084, 3540, 3855, 4112, 4248, 4626, 4720, 5140, 5310, 5664, 6168, 7080, 7710, 8224, 8496, 9252, 9440, 10280, 10620, 11565, 12336, 14160, 15163, 15420, 16992, 18504, 20560, 21240, 23130, 24672, 28320, 30326, 30840, 37008, 41120, 42480, 45489, 46260, 60652, 61680, 74016, 75815, 84960, 90978, 92520, 121304, 123360, 136467, 151630, 181956, 185040, 227445, 242608, 272934, 303260, 363912, 370080, 454890, 485216, 545868, 606520, 682335, 727824, 909780, 1091736, 1213040, 1364670, 1455648, 1819560, 2183472, 2426080, 2729340, 3639120, 4366944, 5458680, 7278240, 10917360, 21834720]

約数ペア:

[(1, 21834720), (2, 10917360), (3, 7278240), (4, 5458680), (5, 4366944), (6, 3639120), (8, 2729340), (9, 2426080), (10, 2183472), (12, 1819560), (15, 1455648), (16, 1364670), (18, 1213040), (20, 1091736), (24, 909780), (30, 727824), (32, 682335), (36, 606520), (40, 545868), (45, 485216), (48, 454890), (59, 370080), (60, 363912), (72, 303260), (80, 272934), (90, 242608), (96, 227445), (118, 185040), (120, 181956), (144, 151630), (160, 136467), (177, 123360), (180, 121304), (236, 92520), (240, 90978), (257, 84960), (288, 75815), (295, 74016), (354, 61680), (360, 60652), (472, 46260), (480, 45489), (514, 42480), (531, 41120), (590, 37008), (708, 30840), (720, 30326), (771, 28320), (885, 24672), (944, 23130), (1028, 21240), (1062, 20560), (1180, 18504), (1285, 16992), (1416, 15420), (1440, 15163), (1542, 14160), (1770, 12336), (1888, 11565), (2056, 10620), (2124, 10280), (2313, 9440), (2360, 9252), (2570, 8496), (2655, 8224), (2832, 7710), (3084, 7080), (3540, 6168), (3855, 5664), (4112, 5310), (4248, 5140), (4626, 4720)]