21288248

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{911}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 42024960

約数和(自身を除く): 20736712

約数列:

[1, 2, 4, 8, 23, 46, 92, 127, 184, 254, 508, 911, 1016, 1822, 2921, 3644, 5842, 7288, 11684, 20953, 23368, 41906, 83812, 115697, 167624, 231394, 462788, 925576, 2661031, 5322062, 10644124, 21288248]

約数ペア:

[(1, 21288248), (2, 10644124), (4, 5322062), (8, 2661031), (23, 925576), (46, 462788), (92, 231394), (127, 167624), (184, 115697), (254, 83812), (508, 41906), (911, 23368), (1016, 20953), (1822, 11684), (2921, 7288), (3644, 5842)]