21565065

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9521}}^1$

素因数の和:9680

約数の個数: 16

約数和(自身を含む): 34736256

約数和(自身を除く): 13171191

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 9521, 28563, 47605, 142815, 1437671, 4313013, 7188355, 21565065]

約数ペア:

[(1, 21565065), (3, 7188355), (5, 4313013), (15, 1437671), (151, 142815), (453, 47605), (755, 28563), (2265, 9521)]