21241719

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 32404320

約数和(自身を除く): 11162601

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 1153, 2047, 3459, 6141, 10377, 18423, 26519, 79557, 102617, 238671, 307851, 923553, 2360191, 7080573, 21241719]

約数ペア:

[(1, 21241719), (3, 7080573), (9, 2360191), (23, 923553), (69, 307851), (89, 238671), (207, 102617), (267, 79557), (801, 26519), (1153, 18423), (2047, 10377), (3459, 6141)]