21233135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 32085504

約数和(自身を除く): 10852369

約数列:

[1, 5, 7, 11, 35, 55, 77, 131, 385, 421, 655, 917, 1441, 2105, 2947, 4585, 4631, 7205, 10087, 14735, 23155, 32417, 50435, 55151, 162085, 275755, 386057, 606661, 1930285, 3033305, 4246627, 21233135]

約数ペア:

[(1, 21233135), (5, 4246627), (7, 3033305), (11, 1930285), (35, 606661), (55, 386057), (77, 275755), (131, 162085), (385, 55151), (421, 50435), (655, 32417), (917, 23155), (1441, 14735), (2105, 10087), (2947, 7205), (4585, 4631)]