21589678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 36465408

約数和(自身を除く): 14875730

約数列:

[1, 2, 11, 22, 67, 97, 134, 151, 194, 302, 737, 1067, 1474, 1661, 2134, 3322, 6499, 10117, 12998, 14647, 20234, 29294, 71489, 111287, 142978, 161117, 222574, 322234, 981349, 1962698, 10794839, 21589678]

約数ペア:

[(1, 21589678), (2, 10794839), (11, 1962698), (22, 981349), (67, 322234), (97, 222574), (134, 161117), (151, 142978), (194, 111287), (302, 71489), (737, 29294), (1067, 20234), (1474, 14647), (1661, 12998), (2134, 10117), (3322, 6499)]