21294184

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{19429}}^1$

素因数の和:19572

約数の個数: 16

約数和(自身を含む): 40220100

約数和(自身を除く): 18925916

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 19429, 38858, 77716, 155432, 2661773, 5323546, 10647092, 21294184]

約数ペア:

[(1, 21294184), (2, 10647092), (4, 5323546), (8, 2661773), (137, 155432), (274, 77716), (548, 38858), (1096, 19429)]