21218372

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3733}}^1$

素因数の和:3780

約数の個数: 36

約数和(自身を含む): 44695980

約数和(自身を除く): 23477608

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3733, 5684, 7466, 14932, 26131, 52262, 104524, 108257, 182917, 216514, 365834, 433028, 731668, 757799, 1515598, 3031196, 5304593, 10609186, 21218372]

約数ペア:

[(1, 21218372), (2, 10609186), (4, 5304593), (7, 3031196), (14, 1515598), (28, 757799), (29, 731668), (49, 433028), (58, 365834), (98, 216514), (116, 182917), (196, 108257), (203, 104524), (406, 52262), (812, 26131), (1421, 14932), (2842, 7466), (3733, 5684)]