21361902

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86837}}^1$

素因数の和:86883

約数の個数: 16

約数和(自身を含む): 43766352

約数和(自身を除く): 22404450

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86837, 173674, 260511, 521022, 3560317, 7120634, 10680951, 21361902]

約数ペア:

[(1, 21361902), (2, 10680951), (3, 7120634), (6, 3560317), (41, 521022), (82, 260511), (123, 173674), (246, 86837)]