21870256

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36943}}^1$

素因数の和:36988

約数の個数: 20

約数和(自身を含む): 43520032

約数和(自身を除く): 21649776

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36943, 73886, 147772, 295544, 591088, 1366891, 2733782, 5467564, 10935128, 21870256]

約数ペア:

[(1, 21870256), (2, 10935128), (4, 5467564), (8, 2733782), (16, 1366891), (37, 591088), (74, 295544), (148, 147772), (296, 73886), (592, 36943)]