21376685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5801}}^1$

素因数の和:5884

約数の個数: 16

約数和(自身を含む): 28406592

約数和(自身を除く): 7029907

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 5801, 29005, 63811, 319055, 388667, 1943335, 4275337, 21376685]

約数ペア:

[(1, 21376685), (5, 4275337), (11, 1943335), (55, 388667), (67, 319055), (335, 63811), (737, 29005), (3685, 5801)]