21594960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:445

約数の個数: 120

約数和(自身を含む): 73555560

約数和(自身を除く): 51960600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 337, 356, 360, 445, 534, 674, 712, 720, 801, 890, 1011, 1068, 1335, 1348, 1424, 1602, 1685, 1780, 2022, 2136, 2670, 2696, 3033, 3204, 3370, 3560, 4005, 4044, 4272, 5055, 5340, 5392, 6066, 6408, 6740, 7120, 8010, 8088, 10110, 10680, 12132, 12816, 13480, 15165, 16020, 16176, 20220, 21360, 24264, 26960, 29993, 30330, 32040, 40440, 48528, 59986, 60660, 64080, 80880, 89979, 119972, 121320, 149965, 179958, 239944, 242640, 269937, 299930, 359916, 449895, 479888, 539874, 599860, 719832, 899790, 1079748, 1199720, 1349685, 1439664, 1799580, 2159496, 2399440, 2699370, 3599160, 4318992, 5398740, 7198320, 10797480, 21594960]

約数ペア:

[(1, 21594960), (2, 10797480), (3, 7198320), (4, 5398740), (5, 4318992), (6, 3599160), (8, 2699370), (9, 2399440), (10, 2159496), (12, 1799580), (15, 1439664), (16, 1349685), (18, 1199720), (20, 1079748), (24, 899790), (30, 719832), (36, 599860), (40, 539874), (45, 479888), (48, 449895), (60, 359916), (72, 299930), (80, 269937), (89, 242640), (90, 239944), (120, 179958), (144, 149965), (178, 121320), (180, 119972), (240, 89979), (267, 80880), (337, 64080), (356, 60660), (360, 59986), (445, 48528), (534, 40440), (674, 32040), (712, 30330), (720, 29993), (801, 26960), (890, 24264), (1011, 21360), (1068, 20220), (1335, 16176), (1348, 16020), (1424, 15165), (1602, 13480), (1685, 12816), (1780, 12132), (2022, 10680), (2136, 10110), (2670, 8088), (2696, 8010), (3033, 7120), (3204, 6740), (3370, 6408), (3560, 6066), (4005, 5392), (4044, 5340), (4272, 5055)]