21292430

素因数分解:

$2^1\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1741}}^1$

素因数の和:2971

約数の個数: 16

約数和(自身を含む): 38379744

約数和(自身を除く): 17087314

約数列:

[1, 2, 5, 10, 1223, 1741, 2446, 3482, 6115, 8705, 12230, 17410, 2129243, 4258486, 10646215, 21292430]

約数ペア:

[(1, 21292430), (2, 10646215), (5, 4258486), (10, 2129243), (1223, 17410), (1741, 12230), (2446, 8705), (3482, 6115)]