21424641

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60013}}^1$

素因数の和:60040

約数の個数: 16

約数和(自身を含む): 34568064

約数和(自身を除く): 13143423

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 60013, 180039, 420091, 1020221, 1260273, 3060663, 7141547, 21424641]

約数ペア:

[(1, 21424641), (3, 7141547), (7, 3060663), (17, 1260273), (21, 1020221), (51, 420091), (119, 180039), (357, 60013)]