2021521975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{65053}}^1$

素因数の和:65187

約数の個数: 24

約数和(自身を含む): 2758810032

約数和(自身を除く): 737288057

約数列:

[1, 5, 11, 25, 55, 113, 275, 565, 1243, 2825, 6215, 31075, 65053, 325265, 715583, 1626325, 3577915, 7350989, 17889575, 36754945, 80860879, 183774725, 404304395, 2021521975]

約数ペア:

[(1, 2021521975), (5, 404304395), (11, 183774725), (25, 80860879), (55, 36754945), (113, 17889575), (275, 7350989), (565, 3577915), (1243, 1626325), (2825, 715583), (6215, 325265), (31075, 65053)]