21151237

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1669}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 24048000

約数和(自身を除く): 2896763

約数列:

[1, 19, 23, 29, 437, 551, 667, 1669, 12673, 31711, 38387, 48401, 729353, 919619, 1113223, 21151237]

約数ペア:

[(1, 21151237), (19, 1113223), (23, 919619), (29, 729353), (437, 48401), (551, 38387), (667, 31711), (1669, 12673)]