21021606

素因数分解:

$2^1\times 3^4\times {\mathrm{129763}}^1$

素因数の和:129777

約数の個数: 20

約数和(自身を含む): 47104332

約数和(自身を除く): 26082726

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129763, 259526, 389289, 778578, 1167867, 2335734, 3503601, 7007202, 10510803, 21021606]

約数ペア:

[(1, 21021606), (2, 10510803), (3, 7007202), (6, 3503601), (9, 2335734), (18, 1167867), (27, 778578), (54, 389289), (81, 259526), (162, 129763)]