21615666

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{50741}}^1$

素因数の和:50817

約数の個数: 16

約数和(自身を含む): 43841088

約数和(自身を除く): 22225422

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 50741, 101482, 152223, 304446, 3602611, 7205222, 10807833, 21615666]

約数ペア:

[(1, 21615666), (2, 10807833), (3, 7205222), (6, 3602611), (71, 304446), (142, 152223), (213, 101482), (426, 50741)]