21036314

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1931}}^1$

素因数の和:2365

約数の個数: 16

約数和(自身を含む): 34080480

約数和(自身を除く): 13044166

約数列:

[1, 2, 13, 26, 419, 838, 1931, 3862, 5447, 10894, 25103, 50206, 809089, 1618178, 10518157, 21036314]

約数ペア:

[(1, 21036314), (2, 10518157), (13, 1618178), (26, 809089), (419, 50206), (838, 25103), (1931, 10894), (3862, 5447)]