21267686

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3821}}^1$

素因数の和:3868

約数の個数: 24

約数和(自身を含む): 36599472

約数和(自身を除く): 15331786

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3821, 5566, 7642, 42031, 84062, 87883, 175766, 462341, 924682, 966713, 1933426, 10633843, 21267686]

約数ペア:

[(1, 21267686), (2, 10633843), (11, 1933426), (22, 966713), (23, 924682), (46, 462341), (121, 175766), (242, 87883), (253, 84062), (506, 42031), (2783, 7642), (3821, 5566)]