21496436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4093}}^1$

素因数の和:4211

約数の個数: 24

約数和(自身を含む): 40923624

約数和(自身を除く): 19427188

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 4093, 5252, 8186, 16372, 53209, 106418, 212836, 413393, 826786, 1653572, 5374109, 10748218, 21496436]

約数ペア:

[(1, 21496436), (2, 10748218), (4, 5374109), (13, 1653572), (26, 826786), (52, 413393), (101, 212836), (202, 106418), (404, 53209), (1313, 16372), (2626, 8186), (4093, 5252)]