21187646

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{1453}}^1$

素因数の和:1795

約数の個数: 16

約数和(自身を含む): 33290784

約数和(自身を除く): 12103138

約数列:

[1, 2, 23, 46, 317, 634, 1453, 2906, 7291, 14582, 33419, 66838, 460601, 921202, 10593823, 21187646]

約数ペア:

[(1, 21187646), (2, 10593823), (23, 921202), (46, 460601), (317, 66838), (634, 33419), (1453, 14582), (2906, 7291)]