21119618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26203}}^1$

素因数の和:26249

約数の個数: 16

約数和(自身を含む): 35218176

約数和(自身を除く): 14098558

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26203, 52406, 340639, 681278, 812293, 1624586, 10559809, 21119618]

約数ペア:

[(1, 21119618), (2, 10559809), (13, 1624586), (26, 812293), (31, 681278), (62, 340639), (403, 52406), (806, 26203)]