21466180

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6427}}^1$

素因数の和:6603

約数の個数: 24

約数和(自身を含む): 45355968

約数和(自身を除く): 23889788

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 6427, 12854, 25708, 32135, 64270, 128540, 1073309, 2146618, 4293236, 5366545, 10733090, 21466180]

約数ペア:

[(1, 21466180), (2, 10733090), (4, 5366545), (5, 4293236), (10, 2146618), (20, 1073309), (167, 128540), (334, 64270), (668, 32135), (835, 25708), (1670, 12854), (3340, 6427)]