21168732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135697}}^1$

素因数の和:135717

約数の個数: 24

約数和(自身を含む): 53193616

約数和(自身を除く): 32024884

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135697, 271394, 407091, 542788, 814182, 1628364, 1764061, 3528122, 5292183, 7056244, 10584366, 21168732]

約数ペア:

[(1, 21168732), (2, 10584366), (3, 7056244), (4, 5292183), (6, 3528122), (12, 1764061), (13, 1628364), (26, 814182), (39, 542788), (52, 407091), (78, 271394), (156, 135697)]