21544411

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{983}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 25694208

約数和(自身を除く): 4149797

約数列:

[1, 7, 31, 101, 217, 707, 983, 3131, 6881, 21917, 30473, 99283, 213311, 694981, 3077773, 21544411]

約数ペア:

[(1, 21544411), (7, 3077773), (31, 694981), (101, 213311), (217, 99283), (707, 30473), (983, 21917), (3131, 6881)]