21932272

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8731}}^1$

素因数の和:8896

約数の個数: 20

約数和(自身を含む): 42769336

約数和(自身を除く): 20837064

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8731, 17462, 34924, 69848, 139696, 1370767, 2741534, 5483068, 10966136, 21932272]

約数ペア:

[(1, 21932272), (2, 10966136), (4, 5483068), (8, 2741534), (16, 1370767), (157, 139696), (314, 69848), (628, 34924), (1256, 17462), (2512, 8731)]