21517398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170773}}^1$

素因数の和:170788

約数の個数: 24

約数和(自身を含む): 53281488

約数和(自身を除く): 31764090

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170773, 341546, 512319, 1024638, 1195411, 1536957, 2390822, 3073914, 3586233, 7172466, 10758699, 21517398]

約数ペア:

[(1, 21517398), (2, 10758699), (3, 7172466), (6, 3586233), (7, 3073914), (9, 2390822), (14, 1536957), (18, 1195411), (21, 1024638), (42, 512319), (63, 341546), (126, 170773)]