21968902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{937}}^1$

素因数の和:1575

約数の個数: 16

約数和(自身を含む): 34781040

約数和(自身を除く): 12812138

約数列:

[1, 2, 19, 38, 617, 937, 1234, 1874, 11723, 17803, 23446, 35606, 578129, 1156258, 10984451, 21968902]

約数ペア:

[(1, 21968902), (2, 10984451), (19, 1156258), (38, 578129), (617, 35606), (937, 23446), (1234, 17803), (1874, 11723)]