21707048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2543}}^1$

素因数の和:2657

約数の個数: 32

約数和(自身を含む): 44876160

約数和(自身を除く): 23169112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2543, 4268, 5086, 8536, 10172, 20344, 27973, 55946, 111892, 223784, 246671, 493342, 986684, 1973368, 2713381, 5426762, 10853524, 21707048]

約数ペア:

[(1, 21707048), (2, 10853524), (4, 5426762), (8, 2713381), (11, 1973368), (22, 986684), (44, 493342), (88, 246671), (97, 223784), (194, 111892), (388, 55946), (776, 27973), (1067, 20344), (2134, 10172), (2543, 8536), (4268, 5086)]