21518196

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{256169}}^1$

素因数の和:256183

約数の個数: 24

約数和(自身を含む): 57382080

約数和(自身を除く): 35863884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256169, 512338, 768507, 1024676, 1537014, 1793183, 3074028, 3586366, 5379549, 7172732, 10759098, 21518196]

約数ペア:

[(1, 21518196), (2, 10759098), (3, 7172732), (4, 5379549), (6, 3586366), (7, 3074028), (12, 1793183), (14, 1537014), (21, 1024676), (28, 768507), (42, 512338), (84, 256169)]