21849793

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1201}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 26309376

約数和(自身を除く): 4459583

約数列:

[1, 7, 23, 113, 161, 791, 1201, 2599, 8407, 18193, 27623, 135713, 193361, 949991, 3121399, 21849793]

約数ペア:

[(1, 21849793), (7, 3121399), (23, 949991), (113, 193361), (161, 135713), (791, 27623), (1201, 18193), (2599, 8407)]