21528706

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{2447}}^1$

素因数の和:2585

約数の個数: 16

約数和(自身を含む): 33312384

約数和(自身を除く): 11783678

約数列:

[1, 2, 53, 83, 106, 166, 2447, 4399, 4894, 8798, 129691, 203101, 259382, 406202, 10764353, 21528706]

約数ペア:

[(1, 21528706), (2, 10764353), (53, 406202), (83, 259382), (106, 203101), (166, 129691), (2447, 8798), (4399, 4894)]