21044178

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4933}}^1$

素因数の和:5023

約数の個数: 32

約数和(自身を含む): 47366400

約数和(自身を除く): 26322222

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4933, 9866, 14799, 29598, 44397, 88794, 133191, 266382, 389707, 779414, 1169121, 2338242, 3507363, 7014726, 10522089, 21044178]

約数ペア:

[(1, 21044178), (2, 10522089), (3, 7014726), (6, 3507363), (9, 2338242), (18, 1169121), (27, 779414), (54, 389707), (79, 266382), (158, 133191), (237, 88794), (474, 44397), (711, 29598), (1422, 14799), (2133, 9866), (4266, 4933)]