21336564

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2551}}^1$

素因数の和:2616

約数の個数: 48

約数和(自身を含む): 54020736

約数和(自身を除く): 32684172

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 41, 51, 68, 82, 102, 123, 164, 204, 246, 492, 697, 1394, 2091, 2551, 2788, 4182, 5102, 7653, 8364, 10204, 15306, 30612, 43367, 86734, 104591, 130101, 173468, 209182, 260202, 313773, 418364, 520404, 627546, 1255092, 1778047, 3556094, 5334141, 7112188, 10668282, 21336564]

約数ペア:

[(1, 21336564), (2, 10668282), (3, 7112188), (4, 5334141), (6, 3556094), (12, 1778047), (17, 1255092), (34, 627546), (41, 520404), (51, 418364), (68, 313773), (82, 260202), (102, 209182), (123, 173468), (164, 130101), (204, 104591), (246, 86734), (492, 43367), (697, 30612), (1394, 15306), (2091, 10204), (2551, 8364), (2788, 7653), (4182, 5102)]