21746438

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 17237242

約数列:

[1, 2, 7, 14, 31, 62, 89, 178, 217, 434, 563, 623, 1126, 1246, 2759, 3941, 5518, 7882, 17453, 19313, 34906, 38626, 50107, 100214, 122171, 244342, 350749, 701498, 1553317, 3106634, 10873219, 21746438]

約数ペア:

[(1, 21746438), (2, 10873219), (7, 3106634), (14, 1553317), (31, 701498), (62, 350749), (89, 244342), (178, 122171), (217, 100214), (434, 50107), (563, 38626), (623, 34906), (1126, 19313), (1246, 17453), (2759, 7882), (3941, 5518)]