21886095

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2707}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 44454528

約数和(自身を除く): 22568433

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 2707, 8085, 8121, 13535, 18949, 29777, 40605, 56847, 89331, 94745, 132643, 148885, 208439, 284235, 397929, 446655, 625317, 663215, 1042195, 1459073, 1989645, 3126585, 4377219, 7295365, 21886095]

約数ペア:

[(1, 21886095), (3, 7295365), (5, 4377219), (7, 3126585), (11, 1989645), (15, 1459073), (21, 1042195), (33, 663215), (35, 625317), (49, 446655), (55, 397929), (77, 284235), (105, 208439), (147, 148885), (165, 132643), (231, 94745), (245, 89331), (385, 56847), (539, 40605), (735, 29777), (1155, 18949), (1617, 13535), (2695, 8121), (2707, 8085)]