21944065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 31643136

約数和(自身を除く): 9699071

約数列:

[1, 5, 11, 13, 47, 55, 65, 143, 235, 517, 611, 653, 715, 2585, 3055, 3265, 6721, 7183, 8489, 30691, 33605, 35915, 42445, 93379, 153455, 337601, 398983, 466895, 1688005, 1994915, 4388813, 21944065]

約数ペア:

[(1, 21944065), (5, 4388813), (11, 1994915), (13, 1688005), (47, 466895), (55, 398983), (65, 337601), (143, 153455), (235, 93379), (517, 42445), (611, 35915), (653, 33605), (715, 30691), (2585, 8489), (3055, 7183), (3265, 6721)]