21000657615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{196277}}^1$

素因数の和:197311

約数の個数: 32

約数和(自身を含む): 38439083520

約数和(自身を除く): 17438425905

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1019, 3057, 5095, 7133, 15285, 21399, 35665, 106995, 196277, 588831, 981385, 1373939, 2944155, 4121817, 6869695, 20609085, 200006263, 600018789, 1000031315, 1400043841, 3000093945, 4200131523, 7000219205, 21000657615]

約数ペア:

[(1, 21000657615), (3, 7000219205), (5, 4200131523), (7, 3000093945), (15, 1400043841), (21, 1000031315), (35, 600018789), (105, 200006263), (1019, 20609085), (3057, 6869695), (5095, 4121817), (7133, 2944155), (15285, 1373939), (21399, 981385), (35665, 588831), (106995, 196277)]