21149249

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 24028224

約数和(自身を除く): 2878975

約数列:

[1, 11, 43, 61, 473, 671, 733, 2623, 8063, 28853, 31519, 44713, 346709, 491843, 1922659, 21149249]

約数ペア:

[(1, 21149249), (11, 1922659), (43, 491843), (61, 346709), (473, 44713), (671, 31519), (733, 28853), (2623, 8063)]