21259302

素因数分解:

$2^1\times 3^1\times {\mathrm{347}}^1\times {\mathrm{10211}}^1$

素因数の和:10563

約数の個数: 16

約数和(自身を含む): 42645312

約数和(自身を除く): 21386010

約数列:

[1, 2, 3, 6, 347, 694, 1041, 2082, 10211, 20422, 30633, 61266, 3543217, 7086434, 10629651, 21259302]

約数ペア:

[(1, 21259302), (2, 10629651), (3, 7086434), (6, 3543217), (347, 61266), (694, 30633), (1041, 20422), (2082, 10211)]