21165786

素因数分解:

$2^1\times 3^8\times {\mathrm{1613}}^1$

素因数の和:1639

約数の個数: 36

約数和(自身を含む): 47650122

約数和(自身を除く): 26484336

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 1613, 2187, 3226, 4374, 4839, 6561, 9678, 13122, 14517, 29034, 43551, 87102, 130653, 261306, 391959, 783918, 1175877, 2351754, 3527631, 7055262, 10582893, 21165786]

約数ペア:

[(1, 21165786), (2, 10582893), (3, 7055262), (6, 3527631), (9, 2351754), (18, 1175877), (27, 783918), (54, 391959), (81, 261306), (162, 130653), (243, 87102), (486, 43551), (729, 29034), (1458, 14517), (1613, 13122), (2187, 9678), (3226, 6561), (4374, 4839)]