21220254

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9743}}^1$

素因数の和:9773

約数の個数: 36

約数和(自身を含む): 50542128

約数和(自身を除く): 29321874

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9743, 19486, 29229, 58458, 87687, 107173, 175374, 214346, 321519, 643038, 964557, 1178903, 1929114, 2357806, 3536709, 7073418, 10610127, 21220254]

約数ペア:

[(1, 21220254), (2, 10610127), (3, 7073418), (6, 3536709), (9, 2357806), (11, 1929114), (18, 1178903), (22, 964557), (33, 643038), (66, 321519), (99, 214346), (121, 175374), (198, 107173), (242, 87687), (363, 58458), (726, 29229), (1089, 19486), (2178, 9743)]