21199602

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 43794432

約数和(自身を除く): 22594830

約数列:

[1, 2, 3, 6, 43, 86, 127, 129, 254, 258, 381, 647, 762, 1294, 1941, 3882, 5461, 10922, 16383, 27821, 32766, 55642, 82169, 83463, 164338, 166926, 246507, 493014, 3533267, 7066534, 10599801, 21199602]

約数ペア:

[(1, 21199602), (2, 10599801), (3, 7066534), (6, 3533267), (43, 493014), (86, 246507), (127, 166926), (129, 164338), (254, 83463), (258, 82169), (381, 55642), (647, 32766), (762, 27821), (1294, 16383), (1941, 10922), (3882, 5461)]