21129228

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6311}}^1$

素因数の和:6355

約数の個数: 48

約数和(自身を含む): 56555520

約数和(自身を除く): 35426292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6311, 12622, 18933, 25244, 37866, 56799, 75732, 113598, 170397, 195641, 227196, 340794, 391282, 586923, 681588, 782564, 1173846, 1760769, 2347692, 3521538, 5282307, 7043076, 10564614, 21129228]

約数ペア:

[(1, 21129228), (2, 10564614), (3, 7043076), (4, 5282307), (6, 3521538), (9, 2347692), (12, 1760769), (18, 1173846), (27, 782564), (31, 681588), (36, 586923), (54, 391282), (62, 340794), (93, 227196), (108, 195641), (124, 170397), (186, 113598), (279, 75732), (372, 56799), (558, 37866), (837, 25244), (1116, 18933), (1674, 12622), (3348, 6311)]