21627417

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2089}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 14487783

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 2089, 3451, 6267, 10353, 14623, 35513, 43869, 60581, 106539, 181743, 248591, 424067, 745773, 1029877, 1272201, 3089631, 7209139, 21627417]

約数ペア:

[(1, 21627417), (3, 7209139), (7, 3089631), (17, 1272201), (21, 1029877), (29, 745773), (51, 424067), (87, 248591), (119, 181743), (203, 106539), (357, 60581), (493, 43869), (609, 35513), (1479, 14623), (2089, 10353), (3451, 6267)]