21445722

素因数分解:

$2^1\times 3^7\times {\mathrm{4903}}^1$

素因数の和:4926

約数の個数: 32

約数和(自身を含む): 48255360

約数和(自身を除く): 26809638

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 4903, 9806, 14709, 29418, 44127, 88254, 132381, 264762, 397143, 794286, 1191429, 2382858, 3574287, 7148574, 10722861, 21445722]

約数ペア:

[(1, 21445722), (2, 10722861), (3, 7148574), (6, 3574287), (9, 2382858), (18, 1191429), (27, 794286), (54, 397143), (81, 264762), (162, 132381), (243, 88254), (486, 44127), (729, 29418), (1458, 14709), (2187, 9806), (4374, 4903)]