21671213762

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51845009}}^1$

素因数の和:51845041

約数の個数: 16

約数和(自身を含む): 37328407200

約数和(自身を除く): 15657193438

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51845009, 103690018, 570295099, 985055171, 1140590198, 1970110342, 10835606881, 21671213762]

約数ペア:

[(1, 21671213762), (2, 10835606881), (11, 1970110342), (19, 1140590198), (22, 985055171), (38, 570295099), (209, 103690018), (418, 51845009)]