21031545

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{60961}}^1$

素因数の和:60992

約数の個数: 16

約数和(自身を含む): 35114112

約数和(自身を除く): 14082567

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 60961, 182883, 304805, 914415, 1402103, 4206309, 7010515, 21031545]

約数ペア:

[(1, 21031545), (3, 7010515), (5, 4206309), (15, 1402103), (23, 914415), (69, 304805), (115, 182883), (345, 60961)]