2021084925

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{626693}}^1$

素因数の和:626749

約数の個数: 24

約数和(自身を含む): 3419242464

約数和(自身を除く): 1398157539

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 626693, 1880079, 3133465, 9400395, 15667325, 26947799, 47001975, 80843397, 134738995, 404216985, 673694975, 2021084925]

約数ペア:

[(1, 2021084925), (3, 673694975), (5, 404216985), (15, 134738995), (25, 80843397), (43, 47001975), (75, 26947799), (129, 15667325), (215, 9400395), (645, 3133465), (1075, 1880079), (3225, 626693)]