21543518

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{953}}^1$

素因数の和:1171

約数の個数: 16

約数和(自身を含む): 32970240

約数和(自身を除く): 11426722

約数列:

[1, 2, 89, 127, 178, 254, 953, 1906, 11303, 22606, 84817, 121031, 169634, 242062, 10771759, 21543518]

約数ペア:

[(1, 21543518), (2, 10771759), (89, 242062), (127, 169634), (178, 121031), (254, 84817), (953, 22606), (1906, 11303)]