21821610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5233}}^1$

素因数の和:5382

約数の個数: 32

約数和(自身を含む): 52758720

約数和(自身を除く): 30937110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5233, 10466, 15699, 26165, 31398, 52330, 78495, 156990, 727387, 1454774, 2182161, 3636935, 4364322, 7273870, 10910805, 21821610]

約数ペア:

[(1, 21821610), (2, 10910805), (3, 7273870), (5, 4364322), (6, 3636935), (10, 2182161), (15, 1454774), (30, 727387), (139, 156990), (278, 78495), (417, 52330), (695, 31398), (834, 26165), (1390, 15699), (2085, 10466), (4170, 5233)]