21368724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136979}}^1$

素因数の和:136999

約数の個数: 24

約数和(自身を含む): 53696160

約数和(自身を除く): 32327436

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136979, 273958, 410937, 547916, 821874, 1643748, 1780727, 3561454, 5342181, 7122908, 10684362, 21368724]

約数ペア:

[(1, 21368724), (2, 10684362), (3, 7122908), (4, 5342181), (6, 3561454), (12, 1780727), (13, 1643748), (26, 821874), (39, 547916), (52, 410937), (78, 273958), (156, 136979)]