21821886

素因数分解:

$2^1\times 3^8\times {\mathrm{1663}}^1$

素因数の和:1689

約数の個数: 36

約数和(自身を含む): 49126272

約数和(自身を除く): 27304386

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 1663, 2187, 3326, 4374, 4989, 6561, 9978, 13122, 14967, 29934, 44901, 89802, 134703, 269406, 404109, 808218, 1212327, 2424654, 3636981, 7273962, 10910943, 21821886]

約数ペア:

[(1, 21821886), (2, 10910943), (3, 7273962), (6, 3636981), (9, 2424654), (18, 1212327), (27, 808218), (54, 404109), (81, 269406), (162, 134703), (243, 89802), (486, 44901), (729, 29934), (1458, 14967), (1663, 13122), (2187, 9978), (3326, 6561), (4374, 4989)]