21032864

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7919}}^1$

素因数の和:8012

約数の個数: 24

約数和(自身を含む): 41912640

約数和(自身を除く): 20879776

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7919, 15838, 31676, 63352, 126704, 253408, 657277, 1314554, 2629108, 5258216, 10516432, 21032864]

約数ペア:

[(1, 21032864), (2, 10516432), (4, 5258216), (8, 2629108), (16, 1314554), (32, 657277), (83, 253408), (166, 126704), (332, 63352), (664, 31676), (1328, 15838), (2656, 7919)]