21006987204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3425797}}^1$

素因数の和:3425884

約数の個数: 48

約数和(自身を含む): 56786027648

約数和(自身を除く): 35779040444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 6132, 3425797, 6851594, 10277391, 13703188, 20554782, 23980579, 41109564, 47961158, 71941737, 95922316, 143883474, 250083181, 287766948, 500166362, 750249543, 1000332724, 1500499086, 1750582267, 3000998172, 3501164534, 5251746801, 7002329068, 10503493602, 21006987204]

約数ペア:

[(1, 21006987204), (2, 10503493602), (3, 7002329068), (4, 5251746801), (6, 3501164534), (7, 3000998172), (12, 1750582267), (14, 1500499086), (21, 1000332724), (28, 750249543), (42, 500166362), (73, 287766948), (84, 250083181), (146, 143883474), (219, 95922316), (292, 71941737), (438, 47961158), (511, 41109564), (876, 23980579), (1022, 20554782), (1533, 13703188), (2044, 10277391), (3066, 6851594), (6132, 3425797)]