21679869

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7307}}^1$

素因数の和:7376

約数の個数: 16

約数和(自身を含む): 30868992

約数和(自身を除く): 9189123

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 7307, 21921, 168061, 314201, 504183, 942603, 7226623, 21679869]

約数ペア:

[(1, 21679869), (3, 7226623), (23, 942603), (43, 504183), (69, 314201), (129, 168061), (989, 21921), (2967, 7307)]