21424140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2903}}^1$

素因数の和:2959

約数の個数: 72

約数和(自身を含む): 66594528

約数和(自身を除く): 45170388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2903, 3690, 5806, 7380, 8709, 11612, 14515, 17418, 26127, 29030, 34836, 43545, 52254, 58060, 87090, 104508, 119023, 130635, 174180, 238046, 261270, 357069, 476092, 522540, 595115, 714138, 1071207, 1190230, 1428276, 1785345, 2142414, 2380460, 3570690, 4284828, 5356035, 7141380, 10712070, 21424140]

約数ペア:

[(1, 21424140), (2, 10712070), (3, 7141380), (4, 5356035), (5, 4284828), (6, 3570690), (9, 2380460), (10, 2142414), (12, 1785345), (15, 1428276), (18, 1190230), (20, 1071207), (30, 714138), (36, 595115), (41, 522540), (45, 476092), (60, 357069), (82, 261270), (90, 238046), (123, 174180), (164, 130635), (180, 119023), (205, 104508), (246, 87090), (369, 58060), (410, 52254), (492, 43545), (615, 34836), (738, 29030), (820, 26127), (1230, 17418), (1476, 14515), (1845, 11612), (2460, 8709), (2903, 7380), (3690, 5806)]