21747794

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15601}}^1$

素因数の和:15661

約数の個数: 16

約数和(自身を含む): 35385336

約数和(自身を除く): 13637542

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15601, 31202, 265217, 530434, 639641, 1279282, 10873897, 21747794]

約数ペア:

[(1, 21747794), (2, 10873897), (17, 1279282), (34, 639641), (41, 530434), (82, 265217), (697, 31202), (1394, 15601)]