21803944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2141}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 43696800

約数和(自身を除く): 21892856

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 2141, 2546, 4282, 5092, 8564, 10184, 17128, 40679, 81358, 143447, 162716, 286894, 325432, 573788, 1147576, 2725493, 5450986, 10901972, 21803944]

約数ペア:

[(1, 21803944), (2, 10901972), (4, 5450986), (8, 2725493), (19, 1147576), (38, 573788), (67, 325432), (76, 286894), (134, 162716), (152, 143447), (268, 81358), (536, 40679), (1273, 17128), (2141, 10184), (2546, 8564), (4282, 5092)]