21044015

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:802

約数の個数: 16

約数和(自身を含む): 26006400

約数和(自身を除く): 4962385

約数列:

[1, 5, 47, 149, 235, 601, 745, 3005, 7003, 28247, 35015, 89549, 141235, 447745, 4208803, 21044015]

約数ペア:

[(1, 21044015), (5, 4208803), (47, 447745), (149, 141235), (235, 89549), (601, 35015), (745, 28247), (3005, 7003)]