21471128

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3019}}^1$

素因数の和:3159

約数の個数: 32

約数和(自身を含む): 46387200

約数和(自身を除く): 24916072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 3019, 3556, 6038, 7112, 12076, 21133, 24152, 42266, 84532, 169064, 383413, 766826, 1533652, 2683891, 3067304, 5367782, 10735564, 21471128]

約数ペア:

[(1, 21471128), (2, 10735564), (4, 5367782), (7, 3067304), (8, 2683891), (14, 1533652), (28, 766826), (56, 383413), (127, 169064), (254, 84532), (508, 42266), (889, 24152), (1016, 21133), (1778, 12076), (3019, 7112), (3556, 6038)]