21034015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1889}}^1$

素因数の和:2042

約数の個数: 16

約数和(自身を含む): 26943840

約数和(自身を除く): 5909825

約数列:

[1, 5, 17, 85, 131, 655, 1889, 2227, 9445, 11135, 32113, 160565, 247459, 1237295, 4206803, 21034015]

約数ペア:

[(1, 21034015), (5, 4206803), (17, 1237295), (85, 247459), (131, 160565), (655, 32113), (1889, 11135), (2227, 9445)]