21340140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355669}}^1$

素因数の和:355681

約数の個数: 24

約数和(自身を含む): 59752560

約数和(自身を除く): 38412420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355669, 711338, 1067007, 1422676, 1778345, 2134014, 3556690, 4268028, 5335035, 7113380, 10670070, 21340140]

約数ペア:

[(1, 21340140), (2, 10670070), (3, 7113380), (4, 5335035), (5, 4268028), (6, 3556690), (10, 2134014), (12, 1778345), (15, 1422676), (20, 1067007), (30, 711338), (60, 355669)]