21730222

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{8713}}^1$

素因数の和:8787

約数の個数: 16

約数和(自身を含む): 34507440

約数和(自身を除く): 12777218

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 8713, 17426, 252677, 374659, 505354, 749318, 10865111, 21730222]

約数ペア:

[(1, 21730222), (2, 10865111), (29, 749318), (43, 505354), (58, 374659), (86, 252677), (1247, 17426), (2494, 8713)]