21552534

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1553}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 48111840

約数和(自身を除く): 26559306

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 1553, 2313, 3106, 4626, 4659, 6939, 9318, 13878, 13977, 27954, 41931, 83862, 399121, 798242, 1197363, 2394726, 3592089, 7184178, 10776267, 21552534]

約数ペア:

[(1, 21552534), (2, 10776267), (3, 7184178), (6, 3592089), (9, 2394726), (18, 1197363), (27, 798242), (54, 399121), (257, 83862), (514, 41931), (771, 27954), (1542, 13977), (1553, 13878), (2313, 9318), (3106, 6939), (4626, 4659)]