21113280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7331}}^1$

素因数の和:7354

約数の個数: 84

約数和(自身を含む): 72630792

約数和(自身を除く): 51517512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7331, 14662, 21993, 29324, 36655, 43986, 58648, 65979, 73310, 87972, 109965, 117296, 131958, 146620, 175944, 219930, 234592, 263916, 293240, 329895, 351888, 439860, 469184, 527832, 586480, 659790, 703776, 879720, 1055664, 1172960, 1319580, 1407552, 1759440, 2111328, 2345920, 2639160, 3518880, 4222656, 5278320, 7037760, 10556640, 21113280]

約数ペア:

[(1, 21113280), (2, 10556640), (3, 7037760), (4, 5278320), (5, 4222656), (6, 3518880), (8, 2639160), (9, 2345920), (10, 2111328), (12, 1759440), (15, 1407552), (16, 1319580), (18, 1172960), (20, 1055664), (24, 879720), (30, 703776), (32, 659790), (36, 586480), (40, 527832), (45, 469184), (48, 439860), (60, 351888), (64, 329895), (72, 293240), (80, 263916), (90, 234592), (96, 219930), (120, 175944), (144, 146620), (160, 131958), (180, 117296), (192, 109965), (240, 87972), (288, 73310), (320, 65979), (360, 58648), (480, 43986), (576, 36655), (720, 29324), (960, 21993), (1440, 14662), (2880, 7331)]