21408816

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3119}}^1$

素因数の和:3154

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 43587024

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 176, 208, 264, 286, 312, 429, 528, 572, 624, 858, 1144, 1716, 2288, 3119, 3432, 6238, 6864, 9357, 12476, 18714, 24952, 34309, 37428, 40547, 49904, 68618, 74856, 81094, 102927, 121641, 137236, 149712, 162188, 205854, 243282, 274472, 324376, 411708, 446017, 486564, 548944, 648752, 823416, 892034, 973128, 1338051, 1646832, 1784068, 1946256, 2676102, 3568136, 5352204, 7136272, 10704408, 21408816]

約数ペア:

[(1, 21408816), (2, 10704408), (3, 7136272), (4, 5352204), (6, 3568136), (8, 2676102), (11, 1946256), (12, 1784068), (13, 1646832), (16, 1338051), (22, 973128), (24, 892034), (26, 823416), (33, 648752), (39, 548944), (44, 486564), (48, 446017), (52, 411708), (66, 324376), (78, 274472), (88, 243282), (104, 205854), (132, 162188), (143, 149712), (156, 137236), (176, 121641), (208, 102927), (264, 81094), (286, 74856), (312, 68618), (429, 49904), (528, 40547), (572, 37428), (624, 34309), (858, 24952), (1144, 18714), (1716, 12476), (2288, 9357), (3119, 6864), (3432, 6238)]