2013820221

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5640953}}^1$

素因数の和:5640980

約数の個数: 16

約数和(自身を含む): 3249189504

約数和(自身を除く): 1235369283

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 5640953, 16922859, 39486671, 95896201, 118460013, 287688603, 671273407, 2013820221]

約数ペア:

[(1, 2013820221), (3, 671273407), (7, 287688603), (17, 118460013), (21, 95896201), (51, 39486671), (119, 16922859), (357, 5640953)]