21810816

素因数分解:

$2^7\times 3^3\times {\mathrm{6311}}^1$

素因数の和:6334

約数の個数: 64

約数和(自身を含む): 64382400

約数和(自身を除く): 42571584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 288, 384, 432, 576, 864, 1152, 1728, 3456, 6311, 12622, 18933, 25244, 37866, 50488, 56799, 75732, 100976, 113598, 151464, 170397, 201952, 227196, 302928, 340794, 403904, 454392, 605856, 681588, 807808, 908784, 1211712, 1363176, 1817568, 2423424, 2726352, 3635136, 5452704, 7270272, 10905408, 21810816]

約数ペア:

[(1, 21810816), (2, 10905408), (3, 7270272), (4, 5452704), (6, 3635136), (8, 2726352), (9, 2423424), (12, 1817568), (16, 1363176), (18, 1211712), (24, 908784), (27, 807808), (32, 681588), (36, 605856), (48, 454392), (54, 403904), (64, 340794), (72, 302928), (96, 227196), (108, 201952), (128, 170397), (144, 151464), (192, 113598), (216, 100976), (288, 75732), (384, 56799), (432, 50488), (576, 37866), (864, 25244), (1152, 18933), (1728, 12622), (3456, 6311)]