21808764

素因数分解:

$2^2\times 3^9\times {\mathrm{277}}^1$

素因数の和:308

約数の個数: 60

約数和(自身を含む): 57453704

約数和(自身を除く): 35644940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 277, 324, 486, 554, 729, 831, 972, 1108, 1458, 1662, 2187, 2493, 2916, 3324, 4374, 4986, 6561, 7479, 8748, 9972, 13122, 14958, 19683, 22437, 26244, 29916, 39366, 44874, 67311, 78732, 89748, 134622, 201933, 269244, 403866, 605799, 807732, 1211598, 1817397, 2423196, 3634794, 5452191, 7269588, 10904382, 21808764]

約数ペア:

[(1, 21808764), (2, 10904382), (3, 7269588), (4, 5452191), (6, 3634794), (9, 2423196), (12, 1817397), (18, 1211598), (27, 807732), (36, 605799), (54, 403866), (81, 269244), (108, 201933), (162, 134622), (243, 89748), (277, 78732), (324, 67311), (486, 44874), (554, 39366), (729, 29916), (831, 26244), (972, 22437), (1108, 19683), (1458, 14958), (1662, 13122), (2187, 9972), (2493, 8748), (2916, 7479), (3324, 6561), (4374, 4986)]