21317554

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{2423}}^1$

素因数の和:2561

約数の個数: 16

約数和(自身を含む): 32985792

約数和(自身を除く): 11668238

約数列:

[1, 2, 53, 83, 106, 166, 2423, 4399, 4846, 8798, 128419, 201109, 256838, 402218, 10658777, 21317554]

約数ペア:

[(1, 21317554), (2, 10658777), (53, 402218), (83, 256838), (106, 201109), (166, 128419), (2423, 8798), (4399, 4846)]