21771176

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12541}}^1$

素因数の和:12585

約数の個数: 32

約数和(自身を含む): 48161280

約数和(自身を除く): 26390104

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12541, 25082, 50164, 87787, 100328, 175574, 351148, 388771, 702296, 777542, 1555084, 2721397, 3110168, 5442794, 10885588, 21771176]

約数ペア:

[(1, 21771176), (2, 10885588), (4, 5442794), (7, 3110168), (8, 2721397), (14, 1555084), (28, 777542), (31, 702296), (56, 388771), (62, 351148), (124, 175574), (217, 100328), (248, 87787), (434, 50164), (868, 25082), (1736, 12541)]