21062237

素因数分解:

$7^1\times {\mathrm{31}}^3\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 16

約数和(自身を含む): 25119744

約数和(自身を除く): 4057507

約数列:

[1, 7, 31, 101, 217, 707, 961, 3131, 6727, 21917, 29791, 97061, 208537, 679427, 3008891, 21062237]

約数ペア:

[(1, 21062237), (7, 3008891), (31, 679427), (101, 208537), (217, 97061), (707, 29791), (961, 21917), (3131, 6727)]