21488908

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6043}}^1$

素因数の和:6181

約数の個数: 24

約数和(自身を含む): 43323392

約数和(自身を除く): 21834484

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 6043, 12086, 24172, 42301, 84602, 169204, 767461, 1534922, 3069844, 5372227, 10744454, 21488908]

約数ペア:

[(1, 21488908), (2, 10744454), (4, 5372227), (7, 3069844), (14, 1534922), (28, 767461), (127, 169204), (254, 84602), (508, 42301), (889, 24172), (1778, 12086), (3556, 6043)]