21794216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1129}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 43392000

約数和(自身を除く): 21597784

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 254, 508, 1016, 1129, 2258, 2413, 4516, 4826, 9032, 9652, 19304, 21451, 42902, 85804, 143383, 171608, 286766, 573532, 1147064, 2724277, 5448554, 10897108, 21794216]

約数ペア:

[(1, 21794216), (2, 10897108), (4, 5448554), (8, 2724277), (19, 1147064), (38, 573532), (76, 286766), (127, 171608), (152, 143383), (254, 85804), (508, 42902), (1016, 21451), (1129, 19304), (2258, 9652), (2413, 9032), (4516, 4826)]