21988796

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{463}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 39911424

約数和(自身を除く): 17922628

約数列:

[1, 2, 4, 31, 62, 124, 383, 463, 766, 926, 1532, 1852, 11873, 14353, 23746, 28706, 47492, 57412, 177329, 354658, 709316, 5497199, 10994398, 21988796]

約数ペア:

[(1, 21988796), (2, 10994398), (4, 5497199), (31, 709316), (62, 354658), (124, 177329), (383, 57412), (463, 47492), (766, 28706), (926, 23746), (1532, 14353), (1852, 11873)]