21075762

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{81689}}^1$

素因数の和:81737

約数の個数: 16

約数和(自身を含む): 43132320

約数和(自身を除く): 22056558

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 81689, 163378, 245067, 490134, 3512627, 7025254, 10537881, 21075762]

約数ペア:

[(1, 21075762), (2, 10537881), (3, 7025254), (6, 3512627), (43, 490134), (86, 245067), (129, 163378), (258, 81689)]