21198960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29443}}^1$

素因数の和:29462

約数の個数: 60

約数和(自身を含む): 71195592

約数和(自身を除く): 49996632

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, 90, 120, 144, 180, 240, 360, 720, 29443, 58886, 88329, 117772, 147215, 176658, 235544, 264987, 294430, 353316, 441645, 471088, 529974, 588860, 706632, 883290, 1059948, 1177720, 1324935, 1413264, 1766580, 2119896, 2355440, 2649870, 3533160, 4239792, 5299740, 7066320, 10599480, 21198960]

約数ペア:

[(1, 21198960), (2, 10599480), (3, 7066320), (4, 5299740), (5, 4239792), (6, 3533160), (8, 2649870), (9, 2355440), (10, 2119896), (12, 1766580), (15, 1413264), (16, 1324935), (18, 1177720), (20, 1059948), (24, 883290), (30, 706632), (36, 588860), (40, 529974), (45, 471088), (48, 441645), (60, 353316), (72, 294430), (80, 264987), (90, 235544), (120, 176658), (144, 147215), (180, 117772), (240, 88329), (360, 58886), (720, 29443)]