21550142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1\times {\mathrm{809}}^1$

素因数の和:1531

約数の個数: 16

約数和(自身を含む): 34117200

約数和(自身を除く): 12567058

約数列:

[1, 2, 19, 38, 701, 809, 1402, 1618, 13319, 15371, 26638, 30742, 567109, 1134218, 10775071, 21550142]

約数ペア:

[(1, 21550142), (2, 10775071), (19, 1134218), (38, 567109), (701, 30742), (809, 26638), (1402, 15371), (1618, 13319)]