21467836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9601}}^1$

素因数の和:9661

約数の個数: 24

約数和(自身を含む): 41403824

約数和(自身を除く): 19935988

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9601, 19202, 38404, 124813, 249626, 412843, 499252, 825686, 1651372, 5366959, 10733918, 21467836]

約数ペア:

[(1, 21467836), (2, 10733918), (4, 5366959), (13, 1651372), (26, 825686), (43, 499252), (52, 412843), (86, 249626), (172, 124813), (559, 38404), (1118, 19202), (2236, 9601)]