21323005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1223}}^1$

素因数の和:1556

約数の個数: 16

約数和(自身を含む): 28024704

約数和(自身を除く): 6701699

約数列:

[1, 5, 11, 55, 317, 1223, 1585, 3487, 6115, 13453, 17435, 67265, 387691, 1938455, 4264601, 21323005]

約数ペア:

[(1, 21323005), (5, 4264601), (11, 1938455), (55, 387691), (317, 67265), (1223, 17435), (1585, 13453), (3487, 6115)]