21400185

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{24181}}^1$

素因数の和:24248

約数の個数: 16

約数和(自身を含む): 34822080

約数和(自身を除く): 13421895

約数列:

[1, 3, 5, 15, 59, 177, 295, 885, 24181, 72543, 120905, 362715, 1426679, 4280037, 7133395, 21400185]

約数ペア:

[(1, 21400185), (3, 7133395), (5, 4280037), (15, 1426679), (59, 362715), (177, 120905), (295, 72543), (885, 24181)]