21372494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74729}}^1$

素因数の和:74755

約数の個数: 16

約数和(自身を含む): 37663920

約数和(自身を除く): 16291426

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 74729, 149458, 822019, 971477, 1644038, 1942954, 10686247, 21372494]

約数ペア:

[(1, 21372494), (2, 10686247), (11, 1942954), (13, 1644038), (22, 971477), (26, 822019), (143, 149458), (286, 74729)]