21463136

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{8081}}^1$

素因数の和:8174

約数の個数: 24

約数和(自身を含む): 42769944

約数和(自身を除く): 21306808

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 8081, 16162, 32324, 64648, 129296, 258592, 670723, 1341446, 2682892, 5365784, 10731568, 21463136]

約数ペア:

[(1, 21463136), (2, 10731568), (4, 5365784), (8, 2682892), (16, 1341446), (32, 670723), (83, 258592), (166, 129296), (332, 64648), (664, 32324), (1328, 16162), (2656, 8081)]