21318876

素因数分解:

$2^2\times 3^7\times {\mathrm{2437}}^1$

素因数の和:2462

約数の個数: 48

約数和(自身を含む): 55976480

約数和(自身を除く): 34657604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2437, 2916, 4374, 4874, 7311, 8748, 9748, 14622, 21933, 29244, 43866, 65799, 87732, 131598, 197397, 263196, 394794, 592191, 789588, 1184382, 1776573, 2368764, 3553146, 5329719, 7106292, 10659438, 21318876]

約数ペア:

[(1, 21318876), (2, 10659438), (3, 7106292), (4, 5329719), (6, 3553146), (9, 2368764), (12, 1776573), (18, 1184382), (27, 789588), (36, 592191), (54, 394794), (81, 263196), (108, 197397), (162, 131598), (243, 87732), (324, 65799), (486, 43866), (729, 29244), (972, 21933), (1458, 14622), (2187, 9748), (2437, 8748), (2916, 7311), (4374, 4874)]