21378812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58733}}^1$

素因数の和:58757

約数の個数: 24

約数和(自身を含む): 46047456

約数和(自身を除く): 24668644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58733, 117466, 234932, 411131, 763529, 822262, 1527058, 1644524, 3054116, 5344703, 10689406, 21378812]

約数ペア:

[(1, 21378812), (2, 10689406), (4, 5344703), (7, 3054116), (13, 1644524), (14, 1527058), (26, 822262), (28, 763529), (52, 411131), (91, 234932), (182, 117466), (364, 58733)]