21441969

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{8923}}^1$

素因数の和:9021

約数の個数: 16

約数和(自身を含む): 32126400

約数和(自身を除く): 10684431

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 8923, 26769, 80307, 240921, 794147, 2382441, 7147323, 21441969]

約数ペア:

[(1, 21441969), (3, 7147323), (9, 2382441), (27, 794147), (89, 240921), (267, 80307), (801, 26769), (2403, 8923)]