21329412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136727}}^1$

素因数の和:136747

約数の個数: 24

約数和(自身を含む): 53597376

約数和(自身を除く): 32267964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136727, 273454, 410181, 546908, 820362, 1640724, 1777451, 3554902, 5332353, 7109804, 10664706, 21329412]

約数ペア:

[(1, 21329412), (2, 10664706), (3, 7109804), (4, 5332353), (6, 3554902), (12, 1777451), (13, 1640724), (26, 820362), (39, 546908), (52, 410181), (78, 273454), (156, 136727)]