21696613

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 24076800

約数和(自身を除く): 2380187

約数列:

[1, 19, 23, 131, 379, 437, 2489, 3013, 7201, 8717, 49649, 57247, 165623, 943331, 1141927, 21696613]

約数ペア:

[(1, 21696613), (19, 1141927), (23, 943331), (131, 165623), (379, 57247), (437, 49649), (2489, 8717), (3013, 7201)]