21950330

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 40480128

約数和(自身を除く): 18529798

約数列:

[1, 2, 5, 10, 101, 103, 202, 206, 211, 422, 505, 515, 1010, 1030, 1055, 2110, 10403, 20806, 21311, 21733, 42622, 43466, 52015, 104030, 106555, 108665, 213110, 217330, 2195033, 4390066, 10975165, 21950330]

約数ペア:

[(1, 21950330), (2, 10975165), (5, 4390066), (10, 2195033), (101, 217330), (103, 213110), (202, 108665), (206, 106555), (211, 104030), (422, 52015), (505, 43466), (515, 42622), (1010, 21733), (1030, 21311), (1055, 20806), (2110, 10403)]