16421968

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{15319}}^1$

素因数の和:15394

約数の個数: 20

約数和(自身を含む): 32294560

約数和(自身を除く): 15872592

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 15319, 30638, 61276, 122552, 245104, 1026373, 2052746, 4105492, 8210984, 16421968]

約数ペア:

[(1, 16421968), (2, 8210984), (4, 4105492), (8, 2052746), (16, 1026373), (67, 245104), (134, 122552), (268, 61276), (536, 30638), (1072, 15319)]