21760136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{160001}}^1$

素因数の和:160024

約数の個数: 16

約数和(自身を含む): 43200540

約数和(自身を除く): 21440404

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 160001, 320002, 640004, 1280008, 2720017, 5440034, 10880068, 21760136]

約数ペア:

[(1, 21760136), (2, 10880068), (4, 5440034), (8, 2720017), (17, 1280008), (34, 640004), (68, 320002), (136, 160001)]