21261070

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16741}}^1$

素因数の和:16875

約数の個数: 16

約数和(自身を含む): 38573568

約数和(自身を除く): 17312498

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 16741, 33482, 83705, 167410, 2126107, 4252214, 10630535, 21261070]

約数ペア:

[(1, 21261070), (2, 10630535), (5, 4252214), (10, 2126107), (127, 167410), (254, 83705), (635, 33482), (1270, 16741)]