21084660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2857}}^1$

素因数の和:2913

約数の個数: 72

約数和(自身を含む): 65539656

約数和(自身を除く): 44454996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2857, 3690, 5714, 7380, 8571, 11428, 14285, 17142, 25713, 28570, 34284, 42855, 51426, 57140, 85710, 102852, 117137, 128565, 171420, 234274, 257130, 351411, 468548, 514260, 585685, 702822, 1054233, 1171370, 1405644, 1757055, 2108466, 2342740, 3514110, 4216932, 5271165, 7028220, 10542330, 21084660]

約数ペア:

[(1, 21084660), (2, 10542330), (3, 7028220), (4, 5271165), (5, 4216932), (6, 3514110), (9, 2342740), (10, 2108466), (12, 1757055), (15, 1405644), (18, 1171370), (20, 1054233), (30, 702822), (36, 585685), (41, 514260), (45, 468548), (60, 351411), (82, 257130), (90, 234274), (123, 171420), (164, 128565), (180, 117137), (205, 102852), (246, 85710), (369, 57140), (410, 51426), (492, 42855), (615, 34284), (738, 28570), (820, 25713), (1230, 17142), (1476, 14285), (1845, 11428), (2460, 8571), (2857, 7380), (3690, 5714)]