21612080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38593}}^1$

素因数の和:38613

約数の個数: 40

約数和(自身を含む): 57427872

約数和(自身を除く): 35815792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38593, 77186, 154372, 192965, 270151, 308744, 385930, 540302, 617488, 771860, 1080604, 1350755, 1543720, 2161208, 2701510, 3087440, 4322416, 5403020, 10806040, 21612080]

約数ペア:

[(1, 21612080), (2, 10806040), (4, 5403020), (5, 4322416), (7, 3087440), (8, 2701510), (10, 2161208), (14, 1543720), (16, 1350755), (20, 1080604), (28, 771860), (35, 617488), (40, 540302), (56, 385930), (70, 308744), (80, 270151), (112, 192965), (140, 154372), (280, 77186), (560, 38593)]