21965146

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{23417}}^1$

素因数の和:23493

約数の個数: 16

約数和(自身を含む): 38218176

約数和(自身を除く): 16253030

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 23417, 46834, 163919, 327838, 1568939, 3137878, 10982573, 21965146]

約数ペア:

[(1, 21965146), (2, 10982573), (7, 3137878), (14, 1568939), (67, 327838), (134, 163919), (469, 46834), (938, 23417)]