21031633863

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{2131}}^1\times {\mathrm{17977}}^1$

素因数の和:20175

約数の個数: 24

約数和(自身を含む): 30893251376

約数和(自身を除く): 9861617513

約数列:

[1, 3, 9, 61, 183, 549, 2131, 6393, 17977, 19179, 53931, 129991, 161793, 389973, 1096597, 1169919, 3289791, 9869373, 38308987, 114926961, 344780883, 2336848207, 7010544621, 21031633863]

約数ペア:

[(1, 21031633863), (3, 7010544621), (9, 2336848207), (61, 344780883), (183, 114926961), (549, 38308987), (2131, 9869373), (6393, 3289791), (17977, 1169919), (19179, 1096597), (53931, 389973), (129991, 161793)]