21496423

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 24498432

約数和(自身を除く): 3002009

約数列:

[1, 13, 31, 41, 403, 533, 1271, 1301, 16523, 16913, 40331, 53341, 524303, 693433, 1653571, 21496423]

約数ペア:

[(1, 21496423), (13, 1653571), (31, 693433), (41, 524303), (403, 53341), (533, 40331), (1271, 16913), (1301, 16523)]