21005581320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58348837}}^1$

素因数の和:58348854

約数の個数: 48

約数和(自身を含む): 68268140460

約数和(自身を除く): 47262559140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58348837, 116697674, 175046511, 233395348, 291744185, 350093022, 466790696, 525139533, 583488370, 700186044, 875232555, 1050279066, 1166976740, 1400372088, 1750465110, 2100558132, 2333953480, 2625697665, 3500930220, 4201116264, 5251395330, 7001860440, 10502790660, 21005581320]

約数ペア:

[(1, 21005581320), (2, 10502790660), (3, 7001860440), (4, 5251395330), (5, 4201116264), (6, 3500930220), (8, 2625697665), (9, 2333953480), (10, 2100558132), (12, 1750465110), (15, 1400372088), (18, 1166976740), (20, 1050279066), (24, 875232555), (30, 700186044), (36, 583488370), (40, 525139533), (45, 466790696), (60, 350093022), (72, 291744185), (90, 233395348), (120, 175046511), (180, 116697674), (360, 58348837)]