21475782

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19559}}^1$

素因数の和:19628

約数の個数: 24

約数和(自身を含む): 47296080

約数和(自身を除く): 25820298

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19559, 39118, 58677, 117354, 176031, 352062, 1193099, 2386198, 3579297, 7158594, 10737891, 21475782]

約数ペア:

[(1, 21475782), (2, 10737891), (3, 7158594), (6, 3579297), (9, 2386198), (18, 1193099), (61, 352062), (122, 176031), (183, 117354), (366, 58677), (549, 39118), (1098, 19559)]