21202116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135911}}^1$

素因数の和:135931

約数の個数: 24

約数和(自身を含む): 53277504

約数和(自身を除く): 32075388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135911, 271822, 407733, 543644, 815466, 1630932, 1766843, 3533686, 5300529, 7067372, 10601058, 21202116]

約数ペア:

[(1, 21202116), (2, 10601058), (3, 7067372), (4, 5300529), (6, 3533686), (12, 1766843), (13, 1630932), (26, 815466), (39, 543644), (52, 407733), (78, 271822), (156, 135911)]