21755316670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{291509}}^1$

素因数の和:291972

約数の個数: 32

約数和(自身を含む): 41557665600

約数和(自身を除く): 19802348930

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 439, 878, 2195, 4390, 7463, 14926, 37315, 74630, 291509, 583018, 1457545, 2915090, 4955653, 9911306, 24778265, 49556530, 127972451, 255944902, 639862255, 1279724510, 2175531667, 4351063334, 10877658335, 21755316670]

約数ペア:

[(1, 21755316670), (2, 10877658335), (5, 4351063334), (10, 2175531667), (17, 1279724510), (34, 639862255), (85, 255944902), (170, 127972451), (439, 49556530), (878, 24778265), (2195, 9911306), (4390, 4955653), (7463, 2915090), (14926, 1457545), (37315, 583018), (74630, 291509)]